Home / 895,835.60-1,342,959.88-642,478.92

Finding the Fourth Proportional to 895,835.60, 1,342,959.88 and 642,478.92

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Solution

The fourth proportional to 895,835.60, 1,342,959.88 and 642,478.92 is: 963,149.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,835.60 : 1,342,959.88 = 642,478.92 : x
  2. Step 2: Convert to fraction form
    895,835.60/1,342,959.88 = 642,478.92/x
  3. Step 3: Cross multiply
    895,835.60x = 1,342,959.88 × 642,478.92
  4. Step 4: Simplify right side
    895,835.60x = 862,823,413,305.73
  5. Step 5: Solve for x
    x = 862,823,413,305.73/895,835.60
  6. Step 6: Final answer
    x = 963,149.28

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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.