Home / 739,122.62-1,019,622.52-477,387.94

Finding the Fourth Proportional to 739,122.62, 1,019,622.52 and 477,387.94

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Solution

The fourth proportional to 739,122.62, 1,019,622.52 and 477,387.94 is: 658,558.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,122.62 : 1,019,622.52 = 477,387.94 : x
  2. Step 2: Convert to fraction form
    739,122.62/1,019,622.52 = 477,387.94/x
  3. Step 3: Cross multiply
    739,122.62x = 1,019,622.52 × 477,387.94
  4. Step 4: Simplify right side
    739,122.62x = 486,755,494,400.41
  5. Step 5: Solve for x
    x = 486,755,494,400.41/739,122.62
  6. Step 6: Final answer
    x = 658,558.51

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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.