Home / 908,321.17-1,253,484.38-494,855.91

Finding the Fourth Proportional to 908,321.17, 1,253,484.38 and 494,855.91

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Solution

The fourth proportional to 908,321.17, 1,253,484.38 and 494,855.91 is: 682,901.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,321.17 : 1,253,484.38 = 494,855.91 : x
  2. Step 2: Convert to fraction form
    908,321.17/1,253,484.38 = 494,855.91/x
  3. Step 3: Cross multiply
    908,321.17x = 1,253,484.38 × 494,855.91
  4. Step 4: Simplify right side
    908,321.17x = 620,294,152,291.25
  5. Step 5: Solve for x
    x = 620,294,152,291.25/908,321.17
  6. Step 6: Final answer
    x = 682,901.79

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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.