Home / 756,068.60-1,134,102.90-257,432.60

Finding the Fourth Proportional to 756,068.60, 1,134,102.90 and 257,432.60

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Solution

The fourth proportional to 756,068.60, 1,134,102.90 and 257,432.60 is: 386,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,068.60 : 1,134,102.90 = 257,432.60 : x
  2. Step 2: Convert to fraction form
    756,068.60/1,134,102.90 = 257,432.60/x
  3. Step 3: Cross multiply
    756,068.60x = 1,134,102.90 × 257,432.60
  4. Step 4: Simplify right side
    756,068.60x = 291,955,058,214.54
  5. Step 5: Solve for x
    x = 291,955,058,214.54/756,068.60
  6. Step 6: Final answer
    x = 386,148.90

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Similar ratio
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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.