Home / 529,761.39-731,050.56-288,044.16

Finding the Fourth Proportional to 529,761.39, 731,050.56 and 288,044.16

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Solution

The fourth proportional to 529,761.39, 731,050.56 and 288,044.16 is: 397,489.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,761.39 : 731,050.56 = 288,044.16 : x
  2. Step 2: Convert to fraction form
    529,761.39/731,050.56 = 288,044.16/x
  3. Step 3: Cross multiply
    529,761.39x = 731,050.56 × 288,044.16
  4. Step 4: Simplify right side
    529,761.39x = 210,574,844,472.73
  5. Step 5: Solve for x
    x = 210,574,844,472.73/529,761.39
  6. Step 6: Final answer
    x = 397,489.98

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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.