Home / 738,719.80-1,108,079.70-709,195.30

Finding the Fourth Proportional to 738,719.80, 1,108,079.70 and 709,195.30

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Solution

The fourth proportional to 738,719.80, 1,108,079.70 and 709,195.30 is: 1,063,792.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,719.80 : 1,108,079.70 = 709,195.30 : x
  2. Step 2: Convert to fraction form
    738,719.80/1,108,079.70 = 709,195.30/x
  3. Step 3: Cross multiply
    738,719.80x = 1,108,079.70 × 709,195.30
  4. Step 4: Simplify right side
    738,719.80x = 785,844,915,265.41
  5. Step 5: Solve for x
    x = 785,844,915,265.41/738,719.80
  6. Step 6: Final answer
    x = 1,063,792.95

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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.