Home / 712,941.90-1,069,412.85-239,469.90

Finding the Fourth Proportional to 712,941.90, 1,069,412.85 and 239,469.90

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Solution

The fourth proportional to 712,941.90, 1,069,412.85 and 239,469.90 is: 359,204.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,941.90 : 1,069,412.85 = 239,469.90 : x
  2. Step 2: Convert to fraction form
    712,941.90/1,069,412.85 = 239,469.90/x
  3. Step 3: Cross multiply
    712,941.90x = 1,069,412.85 × 239,469.90
  4. Step 4: Simplify right side
    712,941.90x = 256,092,188,248.22
  5. Step 5: Solve for x
    x = 256,092,188,248.22/712,941.90
  6. Step 6: Final answer
    x = 359,204.85

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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.