Home / 727,630.80-1,091,446.20-699,637.20

Finding the Fourth Proportional to 727,630.80, 1,091,446.20 and 699,637.20

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Solution

The fourth proportional to 727,630.80, 1,091,446.20 and 699,637.20 is: 1,049,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,630.80 : 1,091,446.20 = 699,637.20 : x
  2. Step 2: Convert to fraction form
    727,630.80/1,091,446.20 = 699,637.20/x
  3. Step 3: Cross multiply
    727,630.80x = 1,091,446.20 × 699,637.20
  4. Step 4: Simplify right side
    727,630.80x = 763,616,363,318.64
  5. Step 5: Solve for x
    x = 763,616,363,318.64/727,630.80
  6. Step 6: Final answer
    x = 1,049,455.80

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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.