Home / 997,410.20-1,498,329.63-618,610.87

Finding the Fourth Proportional to 997,410.20, 1,498,329.63 and 618,610.87

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Solution

The fourth proportional to 997,410.20, 1,498,329.63 and 618,610.87 is: 929,289.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,410.20 : 1,498,329.63 = 618,610.87 : x
  2. Step 2: Convert to fraction form
    997,410.20/1,498,329.63 = 618,610.87/x
  3. Step 3: Cross multiply
    997,410.20x = 1,498,329.63 × 618,610.87
  4. Step 4: Simplify right side
    997,410.20x = 926,882,988,469.43
  5. Step 5: Solve for x
    x = 926,882,988,469.43/997,410.20
  6. Step 6: Final answer
    x = 929,289.66

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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.