Home / 849,118.70-1,171,741.47-467,135.66

Finding the Fourth Proportional to 849,118.70, 1,171,741.47 and 467,135.66

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Solution

The fourth proportional to 849,118.70, 1,171,741.47 and 467,135.66 is: 644,623.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,118.70 : 1,171,741.47 = 467,135.66 : x
  2. Step 2: Convert to fraction form
    849,118.70/1,171,741.47 = 467,135.66/x
  3. Step 3: Cross multiply
    849,118.70x = 1,171,741.47 × 467,135.66
  4. Step 4: Simplify right side
    849,118.70x = 547,362,224,937.82
  5. Step 5: Solve for x
    x = 547,362,224,937.82/849,118.70
  6. Step 6: Final answer
    x = 644,623.92

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.