Home / 738,720.80-1,108,081.20-709,196.30

Finding the Fourth Proportional to 738,720.80, 1,108,081.20 and 709,196.30

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Solution

The fourth proportional to 738,720.80, 1,108,081.20 and 709,196.30 is: 1,063,794.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,720.80 : 1,108,081.20 = 709,196.30 : x
  2. Step 2: Convert to fraction form
    738,720.80/1,108,081.20 = 709,196.30/x
  3. Step 3: Cross multiply
    738,720.80x = 1,108,081.20 × 709,196.30
  4. Step 4: Simplify right side
    738,720.80x = 785,847,087,139.56
  5. Step 5: Solve for x
    x = 785,847,087,139.56/738,720.80
  6. Step 6: Final answer
    x = 1,063,794.45

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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.