Home / 952,489.60-1,428,789.12-345,410.08

Finding the Fourth Proportional to 952,489.60, 1,428,789.12 and 345,410.08

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Solution

The fourth proportional to 952,489.60, 1,428,789.12 and 345,410.08 is: 518,134.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,489.60 : 1,428,789.12 = 345,410.08 : x
  2. Step 2: Convert to fraction form
    952,489.60/1,428,789.12 = 345,410.08/x
  3. Step 3: Cross multiply
    952,489.60x = 1,428,789.12 × 345,410.08
  4. Step 4: Simplify right side
    952,489.60x = 493,518,164,242.33
  5. Step 5: Solve for x
    x = 493,518,164,242.33/952,489.60
  6. Step 6: Final answer
    x = 518,134.96

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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.