Home / 839,414.76-1,158,353.10-476,829.60

Finding the Fourth Proportional to 839,414.76, 1,158,353.10 and 476,829.60

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Solution

The fourth proportional to 839,414.76, 1,158,353.10 and 476,829.60 is: 658,002.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,414.76 : 1,158,353.10 = 476,829.60 : x
  2. Step 2: Convert to fraction form
    839,414.76/1,158,353.10 = 476,829.60/x
  3. Step 3: Cross multiply
    839,414.76x = 1,158,353.10 × 476,829.60
  4. Step 4: Simplify right side
    839,414.76x = 552,337,045,331.76
  5. Step 5: Solve for x
    x = 552,337,045,331.76/839,414.76
  6. Step 6: Final answer
    x = 658,002.54

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.