Home / 900,976.72-1,353,214.68-663,381.04

Finding the Fourth Proportional to 900,976.72, 1,353,214.68 and 663,381.04

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Solution

The fourth proportional to 900,976.72, 1,353,214.68 and 663,381.04 is: 996,359.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,976.72 : 1,353,214.68 = 663,381.04 : x
  2. Step 2: Convert to fraction form
    900,976.72/1,353,214.68 = 663,381.04/x
  3. Step 3: Cross multiply
    900,976.72x = 1,353,214.68 × 663,381.04
  4. Step 4: Simplify right side
    900,976.72x = 897,696,961,761.67
  5. Step 5: Solve for x
    x = 897,696,961,761.67/900,976.72
  6. Step 6: Final answer
    x = 996,359.77

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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.