Home / 985,234.60-1,477,851.90-354,212.20

Finding the Fourth Proportional to 985,234.60, 1,477,851.90 and 354,212.20

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Solution

The fourth proportional to 985,234.60, 1,477,851.90 and 354,212.20 is: 531,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,234.60 : 1,477,851.90 = 354,212.20 : x
  2. Step 2: Convert to fraction form
    985,234.60/1,477,851.90 = 354,212.20/x
  3. Step 3: Cross multiply
    985,234.60x = 1,477,851.90 × 354,212.20
  4. Step 4: Simplify right side
    985,234.60x = 523,473,172,773.18
  5. Step 5: Solve for x
    x = 523,473,172,773.18/985,234.60
  6. Step 6: Final answer
    x = 531,318.30

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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.