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Finding the Fourth Proportional to 546,944.10, 754,763.18 and 343,104.77

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Solution

The fourth proportional to 546,944.10, 754,763.18 and 343,104.77 is: 473,472.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,944.10 : 754,763.18 = 343,104.77 : x
  2. Step 2: Convert to fraction form
    546,944.10/754,763.18 = 343,104.77/x
  3. Step 3: Cross multiply
    546,944.10x = 754,763.18 × 343,104.77
  4. Step 4: Simplify right side
    546,944.10x = 258,962,841,789.03
  5. Step 5: Solve for x
    x = 258,962,841,789.03/546,944.10
  6. Step 6: Final answer
    x = 473,472.23

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Double scale
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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.