Home / 730,526.09-1,008,123.06-408,236.10

Finding the Fourth Proportional to 730,526.09, 1,008,123.06 and 408,236.10

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Solution

The fourth proportional to 730,526.09, 1,008,123.06 and 408,236.10 is: 563,364.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,526.09 : 1,008,123.06 = 408,236.10 : x
  2. Step 2: Convert to fraction form
    730,526.09/1,008,123.06 = 408,236.10/x
  3. Step 3: Cross multiply
    730,526.09x = 1,008,123.06 × 408,236.10
  4. Step 4: Simplify right side
    730,526.09x = 411,552,229,755.58
  5. Step 5: Solve for x
    x = 411,552,229,755.58/730,526.09
  6. Step 6: Final answer
    x = 563,364.18

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.