Home / 912,376.43-1,258,990.70-504,422.42

Finding the Fourth Proportional to 912,376.43, 1,258,990.70 and 504,422.42

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Solution

The fourth proportional to 912,376.43, 1,258,990.70 and 504,422.42 is: 696,053.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,376.43 : 1,258,990.70 = 504,422.42 : x
  2. Step 2: Convert to fraction form
    912,376.43/1,258,990.70 = 504,422.42/x
  3. Step 3: Cross multiply
    912,376.43x = 1,258,990.70 × 504,422.42
  4. Step 4: Simplify right side
    912,376.43x = 635,063,126,834.43
  5. Step 5: Solve for x
    x = 635,063,126,834.43/912,376.43
  6. Step 6: Final answer
    x = 696,053.85

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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.