Home / 867,761.28-1,301,143.56-462,454.50

Finding the Fourth Proportional to 867,761.28, 1,301,143.56 and 462,454.50

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Solution

The fourth proportional to 867,761.28, 1,301,143.56 and 462,454.50 is: 693,416.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,761.28 : 1,301,143.56 = 462,454.50 : x
  2. Step 2: Convert to fraction form
    867,761.28/1,301,143.56 = 462,454.50/x
  3. Step 3: Cross multiply
    867,761.28x = 1,301,143.56 × 462,454.50
  4. Step 4: Simplify right side
    867,761.28x = 601,719,694,468.02
  5. Step 5: Solve for x
    x = 601,719,694,468.02/867,761.28
  6. Step 6: Final answer
    x = 693,416.16

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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.