Home / 783,487.20-1,175,230.80-534,655.20

Finding the Fourth Proportional to 783,487.20, 1,175,230.80 and 534,655.20

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Solution

The fourth proportional to 783,487.20, 1,175,230.80 and 534,655.20 is: 801,982.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,487.20 : 1,175,230.80 = 534,655.20 : x
  2. Step 2: Convert to fraction form
    783,487.20/1,175,230.80 = 534,655.20/x
  3. Step 3: Cross multiply
    783,487.20x = 1,175,230.80 × 534,655.20
  4. Step 4: Simplify right side
    783,487.20x = 628,343,258,420.16
  5. Step 5: Solve for x
    x = 628,343,258,420.16/783,487.20
  6. Step 6: Final answer
    x = 801,982.80

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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.