Home / 669,211.92-1,002,534.60-415,740.24

Finding the Fourth Proportional to 669,211.92, 1,002,534.60 and 415,740.24

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Solution

The fourth proportional to 669,211.92, 1,002,534.60 and 415,740.24 is: 622,813.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,211.92 : 1,002,534.60 = 415,740.24 : x
  2. Step 2: Convert to fraction form
    669,211.92/1,002,534.60 = 415,740.24/x
  3. Step 3: Cross multiply
    669,211.92x = 1,002,534.60 × 415,740.24
  4. Step 4: Simplify right side
    669,211.92x = 416,793,975,212.30
  5. Step 5: Solve for x
    x = 416,793,975,212.30/669,211.92
  6. Step 6: Final answer
    x = 622,813.14

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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.