Home / 849,905.50-1,274,908.22-242,647.13

Finding the Fourth Proportional to 849,905.50, 1,274,908.22 and 242,647.13

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Solution

The fourth proportional to 849,905.50, 1,274,908.22 and 242,647.13 is: 363,984.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,905.50 : 1,274,908.22 = 242,647.13 : x
  2. Step 2: Convert to fraction form
    849,905.50/1,274,908.22 = 242,647.13/x
  3. Step 3: Cross multiply
    849,905.50x = 1,274,908.22 × 242,647.13
  4. Step 4: Simplify right side
    849,905.50x = 309,352,818,699.46
  5. Step 5: Solve for x
    x = 309,352,818,699.46/849,905.50
  6. Step 6: Final answer
    x = 363,984.96

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Half scale
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Double scale
Find fourth proportional to 849,906.50, 1,274,909.72 and 242,648.13
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.