Home / 747,176.40-1,120,764.60-614,206.80

Finding the Fourth Proportional to 747,176.40, 1,120,764.60 and 614,206.80

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Solution

The fourth proportional to 747,176.40, 1,120,764.60 and 614,206.80 is: 921,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,176.40 : 1,120,764.60 = 614,206.80 : x
  2. Step 2: Convert to fraction form
    747,176.40/1,120,764.60 = 614,206.80/x
  3. Step 3: Cross multiply
    747,176.40x = 1,120,764.60 × 614,206.80
  4. Step 4: Simplify right side
    747,176.40x = 688,381,238,519.28
  5. Step 5: Solve for x
    x = 688,381,238,519.28/747,176.40
  6. Step 6: Final answer
    x = 921,310.20

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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.