Home / 781,337.40-1,172,006.10-248,854.20

Finding the Fourth Proportional to 781,337.40, 1,172,006.10 and 248,854.20

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Solution

The fourth proportional to 781,337.40, 1,172,006.10 and 248,854.20 is: 373,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,337.40 : 1,172,006.10 = 248,854.20 : x
  2. Step 2: Convert to fraction form
    781,337.40/1,172,006.10 = 248,854.20/x
  3. Step 3: Cross multiply
    781,337.40x = 1,172,006.10 × 248,854.20
  4. Step 4: Simplify right side
    781,337.40x = 291,658,640,410.62
  5. Step 5: Solve for x
    x = 291,658,640,410.62/781,337.40
  6. Step 6: Final answer
    x = 373,281.30

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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.