Home / 529,960.38-731,354.73-288,248.22

Finding the Fourth Proportional to 529,960.38, 731,354.73 and 288,248.22

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Solution

The fourth proportional to 529,960.38, 731,354.73 and 288,248.22 is: 397,787.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,960.38 : 731,354.73 = 288,248.22 : x
  2. Step 2: Convert to fraction form
    529,960.38/731,354.73 = 288,248.22/x
  3. Step 3: Cross multiply
    529,960.38x = 731,354.73 × 288,248.22
  4. Step 4: Simplify right side
    529,960.38x = 210,811,699,111.08
  5. Step 5: Solve for x
    x = 210,811,699,111.08/529,960.38
  6. Step 6: Final answer
    x = 397,787.66

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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.