Home / 529,972.83-731,326.50-288,250.22

Finding the Fourth Proportional to 529,972.83, 731,326.50 and 288,250.22

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Solution

The fourth proportional to 529,972.83, 731,326.50 and 288,250.22 is: 397,765.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,972.83 : 731,326.50 = 288,250.22 : x
  2. Step 2: Convert to fraction form
    529,972.83/731,326.50 = 288,250.22/x
  3. Step 3: Cross multiply
    529,972.83x = 731,326.50 × 288,250.22
  4. Step 4: Simplify right side
    529,972.83x = 210,805,020,860.20
  5. Step 5: Solve for x
    x = 210,805,020,860.20/529,972.83
  6. Step 6: Final answer
    x = 397,765.71

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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.