Home / 782,265.76-1,079,527.44-424,569.76

Finding the Fourth Proportional to 782,265.76, 1,079,527.44 and 424,569.76

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Solution

The fourth proportional to 782,265.76, 1,079,527.44 and 424,569.76 is: 585,906.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,265.76 : 1,079,527.44 = 424,569.76 : x
  2. Step 2: Convert to fraction form
    782,265.76/1,079,527.44 = 424,569.76/x
  3. Step 3: Cross multiply
    782,265.76x = 1,079,527.44 × 424,569.76
  4. Step 4: Simplify right side
    782,265.76x = 458,334,706,114.21
  5. Step 5: Solve for x
    x = 458,334,706,114.21/782,265.76
  6. Step 6: Final answer
    x = 585,906.64

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1.5x scale

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.