Home / 495,527.60-743,291.40-259,331.60

Finding the Fourth Proportional to 495,527.60, 743,291.40 and 259,331.60

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Solution

The fourth proportional to 495,527.60, 743,291.40 and 259,331.60 is: 388,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,527.60 : 743,291.40 = 259,331.60 : x
  2. Step 2: Convert to fraction form
    495,527.60/743,291.40 = 259,331.60/x
  3. Step 3: Cross multiply
    495,527.60x = 743,291.40 × 259,331.60
  4. Step 4: Simplify right side
    495,527.60x = 192,758,948,028.24
  5. Step 5: Solve for x
    x = 192,758,948,028.24/495,527.60
  6. Step 6: Final answer
    x = 388,997.40

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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.