Home / 908,673.28-1,253,977.70-500,789.83

Finding the Fourth Proportional to 908,673.28, 1,253,977.70 and 500,789.83

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Solution

The fourth proportional to 908,673.28, 1,253,977.70 and 500,789.83 is: 691,094.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,673.28 : 1,253,977.70 = 500,789.83 : x
  2. Step 2: Convert to fraction form
    908,673.28/1,253,977.70 = 500,789.83/x
  3. Step 3: Cross multiply
    908,673.28x = 1,253,977.70 × 500,789.83
  4. Step 4: Simplify right side
    908,673.28x = 627,979,276,702.84
  5. Step 5: Solve for x
    x = 627,979,276,702.84/908,673.28
  6. Step 6: Final answer
    x = 691,094.69

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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.