Home / 782,172.25-1,079,397.71-424,476.25

Finding the Fourth Proportional to 782,172.25, 1,079,397.71 and 424,476.25

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Solution

The fourth proportional to 782,172.25, 1,079,397.71 and 424,476.25 is: 585,777.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,172.25 : 1,079,397.71 = 424,476.25 : x
  2. Step 2: Convert to fraction form
    782,172.25/1,079,397.71 = 424,476.25/x
  3. Step 3: Cross multiply
    782,172.25x = 1,079,397.71 × 424,476.25
  4. Step 4: Simplify right side
    782,172.25x = 458,178,690,077.01
  5. Step 5: Solve for x
    x = 458,178,690,077.01/782,172.25
  6. Step 6: Final answer
    x = 585,777.23

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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.