Home / 493,280.10-739,920.15-283,328.10

Finding the Fourth Proportional to 493,280.10, 739,920.15 and 283,328.10

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Solution

The fourth proportional to 493,280.10, 739,920.15 and 283,328.10 is: 424,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,280.10 : 739,920.15 = 283,328.10 : x
  2. Step 2: Convert to fraction form
    493,280.10/739,920.15 = 283,328.10/x
  3. Step 3: Cross multiply
    493,280.10x = 739,920.15 × 283,328.10
  4. Step 4: Simplify right side
    493,280.10x = 209,640,170,251.22
  5. Step 5: Solve for x
    x = 209,640,170,251.22/493,280.10
  6. Step 6: Final answer
    x = 424,992.15

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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.