Home / 987,677.52-1,481,505.47-239,723.52

Finding the Fourth Proportional to 987,677.52, 1,481,505.47 and 239,723.52

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Solution

The fourth proportional to 987,677.52, 1,481,505.47 and 239,723.52 is: 359,582.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,677.52 : 1,481,505.47 = 239,723.52 : x
  2. Step 2: Convert to fraction form
    987,677.52/1,481,505.47 = 239,723.52/x
  3. Step 3: Cross multiply
    987,677.52x = 1,481,505.47 × 239,723.52
  4. Step 4: Simplify right side
    987,677.52x = 355,151,701,660.80
  5. Step 5: Solve for x
    x = 355,151,701,660.80/987,677.52
  6. Step 6: Final answer
    x = 359,582.65

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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.