Home / 862,502.60-1,292,004.30-488,088.20

Finding the Fourth Proportional to 862,502.60, 1,292,004.30 and 488,088.20

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Solution

The fourth proportional to 862,502.60, 1,292,004.30 and 488,088.20 is: 731,142.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,502.60 : 1,292,004.30 = 488,088.20 : x
  2. Step 2: Convert to fraction form
    862,502.60/1,292,004.30 = 488,088.20/x
  3. Step 3: Cross multiply
    862,502.60x = 1,292,004.30 × 488,088.20
  4. Step 4: Simplify right side
    862,502.60x = 630,612,053,179.26
  5. Step 5: Solve for x
    x = 630,612,053,179.26/862,502.60
  6. Step 6: Final answer
    x = 731,142.21

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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.