Home / 908,534.41-1,253,691.82-535,939.26

Finding the Fourth Proportional to 908,534.41, 1,253,691.82 and 535,939.26

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Solution

The fourth proportional to 908,534.41, 1,253,691.82 and 535,939.26 is: 739,545.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,534.41 : 1,253,691.82 = 535,939.26 : x
  2. Step 2: Convert to fraction form
    908,534.41/1,253,691.82 = 535,939.26/x
  3. Step 3: Cross multiply
    908,534.41x = 1,253,691.82 × 535,939.26
  4. Step 4: Simplify right side
    908,534.41x = 671,902,666,278.85
  5. Step 5: Solve for x
    x = 671,902,666,278.85/908,534.41
  6. Step 6: Final answer
    x = 739,545.65

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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.