Home / 995,385.12-1,373,801.76-689,904.96

Finding the Fourth Proportional to 995,385.12, 1,373,801.76 and 689,904.96

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Solution

The fourth proportional to 995,385.12, 1,373,801.76 and 689,904.96 is: 952,186.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,385.12 : 1,373,801.76 = 689,904.96 : x
  2. Step 2: Convert to fraction form
    995,385.12/1,373,801.76 = 689,904.96/x
  3. Step 3: Cross multiply
    995,385.12x = 1,373,801.76 × 689,904.96
  4. Step 4: Simplify right side
    995,385.12x = 947,792,648,280.73
  5. Step 5: Solve for x
    x = 947,792,648,280.73/995,385.12
  6. Step 6: Final answer
    x = 952,186.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.