Home / 996,700.80-1,495,051.20-322,780.80

Finding the Fourth Proportional to 996,700.80, 1,495,051.20 and 322,780.80

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Solution

The fourth proportional to 996,700.80, 1,495,051.20 and 322,780.80 is: 484,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,700.80 : 1,495,051.20 = 322,780.80 : x
  2. Step 2: Convert to fraction form
    996,700.80/1,495,051.20 = 322,780.80/x
  3. Step 3: Cross multiply
    996,700.80x = 1,495,051.20 × 322,780.80
  4. Step 4: Simplify right side
    996,700.80x = 482,573,822,376.96
  5. Step 5: Solve for x
    x = 482,573,822,376.96/996,700.80
  6. Step 6: Final answer
    x = 484,171.20

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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.