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Finding the Fourth Proportional to 731,590.56, 1,009,400.28 and 502,218

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Solution

The fourth proportional to 731,590.56, 1,009,400.28 and 502,218 is: 692,927.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,590.56 : 1,009,400.28 = 502,218 : x
  2. Step 2: Convert to fraction form
    731,590.56/1,009,400.28 = 502,218/x
  3. Step 3: Cross multiply
    731,590.56x = 1,009,400.28 × 502,218
  4. Step 4: Simplify right side
    731,590.56x = 506,938,989,821.04
  5. Step 5: Solve for x
    x = 506,938,989,821.04/731,590.56
  6. Step 6: Final answer
    x = 692,927.19

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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.