Home / 888,139.30-1,330,678.05-413,851.90

Finding the Fourth Proportional to 888,139.30, 1,330,678.05 and 413,851.90

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Solution

The fourth proportional to 888,139.30, 1,330,678.05 and 413,851.90 is: 620,064.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,139.30 : 1,330,678.05 = 413,851.90 : x
  2. Step 2: Convert to fraction form
    888,139.30/1,330,678.05 = 413,851.90/x
  3. Step 3: Cross multiply
    888,139.30x = 1,330,678.05 × 413,851.90
  4. Step 4: Simplify right side
    888,139.30x = 550,703,639,280.80
  5. Step 5: Solve for x
    x = 550,703,639,280.80/888,139.30
  6. Step 6: Final answer
    x = 620,064.49

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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.