Home / 738,176.10-1,107,264.15-457,851.30

Finding the Fourth Proportional to 738,176.10, 1,107,264.15 and 457,851.30

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Solution

The fourth proportional to 738,176.10, 1,107,264.15 and 457,851.30 is: 686,776.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,176.10 : 1,107,264.15 = 457,851.30 : x
  2. Step 2: Convert to fraction form
    738,176.10/1,107,264.15 = 457,851.30/x
  3. Step 3: Cross multiply
    738,176.10x = 1,107,264.15 × 457,851.30
  4. Step 4: Simplify right side
    738,176.10x = 506,962,330,520.90
  5. Step 5: Solve for x
    x = 506,962,330,520.90/738,176.10
  6. Step 6: Final answer
    x = 686,776.95

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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.