Home / 782,257.50-1,079,515.35-424,561.50

Finding the Fourth Proportional to 782,257.50, 1,079,515.35 and 424,561.50

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Solution

The fourth proportional to 782,257.50, 1,079,515.35 and 424,561.50 is: 585,894.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,257.50 : 1,079,515.35 = 424,561.50 : x
  2. Step 2: Convert to fraction form
    782,257.50/1,079,515.35 = 424,561.50/x
  3. Step 3: Cross multiply
    782,257.50x = 1,079,515.35 × 424,561.50
  4. Step 4: Simplify right side
    782,257.50x = 458,320,656,269.03
  5. Step 5: Solve for x
    x = 458,320,656,269.03/782,257.50
  6. Step 6: Final answer
    x = 585,894.87

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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.