Home / 787,445.40-1,181,168.10-546,000.60

Finding the Fourth Proportional to 787,445.40, 1,181,168.10 and 546,000.60

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Solution

The fourth proportional to 787,445.40, 1,181,168.10 and 546,000.60 is: 819,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,445.40 : 1,181,168.10 = 546,000.60 : x
  2. Step 2: Convert to fraction form
    787,445.40/1,181,168.10 = 546,000.60/x
  3. Step 3: Cross multiply
    787,445.40x = 1,181,168.10 × 546,000.60
  4. Step 4: Simplify right side
    787,445.40x = 644,918,491,300.86
  5. Step 5: Solve for x
    x = 644,918,491,300.86/787,445.40
  6. Step 6: Final answer
    x = 819,000.90

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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.