Home / 791,336.20-1,187,004.30-371,432.20

Finding the Fourth Proportional to 791,336.20, 1,187,004.30 and 371,432.20

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Solution

The fourth proportional to 791,336.20, 1,187,004.30 and 371,432.20 is: 557,148.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,336.20 : 1,187,004.30 = 371,432.20 : x
  2. Step 2: Convert to fraction form
    791,336.20/1,187,004.30 = 371,432.20/x
  3. Step 3: Cross multiply
    791,336.20x = 1,187,004.30 × 371,432.20
  4. Step 4: Simplify right side
    791,336.20x = 440,891,618,558.46
  5. Step 5: Solve for x
    x = 440,891,618,558.46/791,336.20
  6. Step 6: Final answer
    x = 557,148.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.