Home / 748,098.20-1,120,916.10-432,003.80

Finding the Fourth Proportional to 748,098.20, 1,120,916.10 and 432,003.80

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Solution

The fourth proportional to 748,098.20, 1,120,916.10 and 432,003.80 is: 647,294.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,098.20 : 1,120,916.10 = 432,003.80 : x
  2. Step 2: Convert to fraction form
    748,098.20/1,120,916.10 = 432,003.80/x
  3. Step 3: Cross multiply
    748,098.20x = 1,120,916.10 × 432,003.80
  4. Step 4: Simplify right side
    748,098.20x = 484,240,014,681.18
  5. Step 5: Solve for x
    x = 484,240,014,681.18/748,098.20
  6. Step 6: Final answer
    x = 647,294.72

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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.