Home / 749,461.80-1,124,192.70-188,496.30

Finding the Fourth Proportional to 749,461.80, 1,124,192.70 and 188,496.30

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Solution

The fourth proportional to 749,461.80, 1,124,192.70 and 188,496.30 is: 282,744.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,461.80 : 1,124,192.70 = 188,496.30 : x
  2. Step 2: Convert to fraction form
    749,461.80/1,124,192.70 = 188,496.30/x
  3. Step 3: Cross multiply
    749,461.80x = 1,124,192.70 × 188,496.30
  4. Step 4: Simplify right side
    749,461.80x = 211,906,164,437.01
  5. Step 5: Solve for x
    x = 211,906,164,437.01/749,461.80
  6. Step 6: Final answer
    x = 282,744.45

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Half scale
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Double scale
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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.