Home / 851,221.64-1,174,689.42-469,240.04

Finding the Fourth Proportional to 851,221.64, 1,174,689.42 and 469,240.04

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Solution

The fourth proportional to 851,221.64, 1,174,689.42 and 469,240.04 is: 647,553.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,221.64 : 1,174,689.42 = 469,240.04 : x
  2. Step 2: Convert to fraction form
    851,221.64/1,174,689.42 = 469,240.04/x
  3. Step 3: Cross multiply
    851,221.64x = 1,174,689.42 × 469,240.04
  4. Step 4: Simplify right side
    851,221.64x = 551,211,310,428.38
  5. Step 5: Solve for x
    x = 551,211,310,428.38/851,221.64
  6. Step 6: Final answer
    x = 647,553.22

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1.5x scale

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.