Home / 582,002.40-872,542.80-319,346.40

Finding the Fourth Proportional to 582,002.40, 872,542.80 and 319,346.40

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Solution

The fourth proportional to 582,002.40, 872,542.80 and 319,346.40 is: 478,766.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,002.40 : 872,542.80 = 319,346.40 : x
  2. Step 2: Convert to fraction form
    582,002.40/872,542.80 = 319,346.40/x
  3. Step 3: Cross multiply
    582,002.40x = 872,542.80 × 319,346.40
  4. Step 4: Simplify right side
    582,002.40x = 278,643,402,025.92
  5. Step 5: Solve for x
    x = 278,643,402,025.92/582,002.40
  6. Step 6: Final answer
    x = 478,766.76

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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.