Home / 908,711.40-1,363,131.90-277,624.20

Finding the Fourth Proportional to 908,711.40, 1,363,131.90 and 277,624.20

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Solution

The fourth proportional to 908,711.40, 1,363,131.90 and 277,624.20 is: 416,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,711.40 : 1,363,131.90 = 277,624.20 : x
  2. Step 2: Convert to fraction form
    908,711.40/1,363,131.90 = 277,624.20/x
  3. Step 3: Cross multiply
    908,711.40x = 1,363,131.90 × 277,624.20
  4. Step 4: Simplify right side
    908,711.40x = 378,438,403,231.98
  5. Step 5: Solve for x
    x = 378,438,403,231.98/908,711.40
  6. Step 6: Final answer
    x = 416,456.10

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1.5x scale

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.