Home / 663,905.35-996,350.10-486,758.35

Finding the Fourth Proportional to 663,905.35, 996,350.10 and 486,758.35

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Solution

The fourth proportional to 663,905.35, 996,350.10 and 486,758.35 is: 730,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,905.35 : 996,350.10 = 486,758.35 : x
  2. Step 2: Convert to fraction form
    663,905.35/996,350.10 = 486,758.35/x
  3. Step 3: Cross multiply
    663,905.35x = 996,350.10 × 486,758.35
  4. Step 4: Simplify right side
    663,905.35x = 484,981,730,698.34
  5. Step 5: Solve for x
    x = 484,981,730,698.34/663,905.35
  6. Step 6: Final answer
    x = 730,498.30

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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.