Home / 688,282.10-1,032,423.15-498,341.15

Finding the Fourth Proportional to 688,282.10, 1,032,423.15 and 498,341.15

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Solution

The fourth proportional to 688,282.10, 1,032,423.15 and 498,341.15 is: 747,511.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,282.10 : 1,032,423.15 = 498,341.15 : x
  2. Step 2: Convert to fraction form
    688,282.10/1,032,423.15 = 498,341.15/x
  3. Step 3: Cross multiply
    688,282.10x = 1,032,423.15 × 498,341.15
  4. Step 4: Simplify right side
    688,282.10x = 514,498,939,857.62
  5. Step 5: Solve for x
    x = 514,498,939,857.62/688,282.10
  6. Step 6: Final answer
    x = 747,511.73

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Double scale
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Similar ratio
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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.