Home / 898,337.28-1,239,672.96-495,920.64

Finding the Fourth Proportional to 898,337.28, 1,239,672.96 and 495,920.64

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Solution

The fourth proportional to 898,337.28, 1,239,672.96 and 495,920.64 is: 684,352.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,337.28 : 1,239,672.96 = 495,920.64 : x
  2. Step 2: Convert to fraction form
    898,337.28/1,239,672.96 = 495,920.64/x
  3. Step 3: Cross multiply
    898,337.28x = 1,239,672.96 × 495,920.64
  4. Step 4: Simplify right side
    898,337.28x = 614,779,407,713.89
  5. Step 5: Solve for x
    x = 614,779,407,713.89/898,337.28
  6. Step 6: Final answer
    x = 684,352.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.