Home / 514,140.40-772,132.20-374,057.20

Finding the Fourth Proportional to 514,140.40, 772,132.20 and 374,057.20

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Solution

The fourth proportional to 514,140.40, 772,132.20 and 374,057.20 is: 561,756.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,140.40 : 772,132.20 = 374,057.20 : x
  2. Step 2: Convert to fraction form
    514,140.40/772,132.20 = 374,057.20/x
  3. Step 3: Cross multiply
    514,140.40x = 772,132.20 × 374,057.20
  4. Step 4: Simplify right side
    514,140.40x = 288,821,608,761.84
  5. Step 5: Solve for x
    x = 288,821,608,761.84/514,140.40
  6. Step 6: Final answer
    x = 561,756.30

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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.