Home / 497,723.60-746,585.40-476,987.60

Finding the Fourth Proportional to 497,723.60, 746,585.40 and 476,987.60

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Solution

The fourth proportional to 497,723.60, 746,585.40 and 476,987.60 is: 715,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,723.60 : 746,585.40 = 476,987.60 : x
  2. Step 2: Convert to fraction form
    497,723.60/746,585.40 = 476,987.60/x
  3. Step 3: Cross multiply
    497,723.60x = 746,585.40 × 476,987.60
  4. Step 4: Simplify right side
    497,723.60x = 356,111,978,141.04
  5. Step 5: Solve for x
    x = 356,111,978,141.04/497,723.60
  6. Step 6: Final answer
    x = 715,481.40

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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.