Home / 529,737.94-731,034.65-288,020.58

Finding the Fourth Proportional to 529,737.94, 731,034.65 and 288,020.58

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Solution

The fourth proportional to 529,737.94, 731,034.65 and 288,020.58 is: 397,466.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,737.94 : 731,034.65 = 288,020.58 : x
  2. Step 2: Convert to fraction form
    529,737.94/731,034.65 = 288,020.58/x
  3. Step 3: Cross multiply
    529,737.94x = 731,034.65 × 288,020.58
  4. Step 4: Simplify right side
    529,737.94x = 210,553,021,871.77
  5. Step 5: Solve for x
    x = 210,553,021,871.77/529,737.94
  6. Step 6: Final answer
    x = 397,466.38

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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.