Home / 908,934.30-1,363,073.40-459,505.80

Finding the Fourth Proportional to 908,934.30, 1,363,073.40 and 459,505.80

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Solution

The fourth proportional to 908,934.30, 1,363,073.40 and 459,505.80 is: 689,092.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,934.30 : 1,363,073.40 = 459,505.80 : x
  2. Step 2: Convert to fraction form
    908,934.30/1,363,073.40 = 459,505.80/x
  3. Step 3: Cross multiply
    908,934.30x = 1,363,073.40 × 459,505.80
  4. Step 4: Simplify right side
    908,934.30x = 626,340,133,125.72
  5. Step 5: Solve for x
    x = 626,340,133,125.72/908,934.30
  6. Step 6: Final answer
    x = 689,092.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.