Home / 708,191.60-1,062,892.20-287,769.20

Finding the Fourth Proportional to 708,191.60, 1,062,892.20 and 287,769.20

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Solution

The fourth proportional to 708,191.60, 1,062,892.20 and 287,769.20 is: 431,899.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,191.60 : 1,062,892.20 = 287,769.20 : x
  2. Step 2: Convert to fraction form
    708,191.60/1,062,892.20 = 287,769.20/x
  3. Step 3: Cross multiply
    708,191.60x = 1,062,892.20 × 287,769.20
  4. Step 4: Simplify right side
    708,191.60x = 305,867,638,080.24
  5. Step 5: Solve for x
    x = 305,867,638,080.24/708,191.60
  6. Step 6: Final answer
    x = 431,899.56

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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.