Home / 539,087.20-807,075.60-329,135.20

Finding the Fourth Proportional to 539,087.20, 807,075.60 and 329,135.20

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Solution

The fourth proportional to 539,087.20, 807,075.60 and 329,135.20 is: 492,753.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,087.20 : 807,075.60 = 329,135.20 : x
  2. Step 2: Convert to fraction form
    539,087.20/807,075.60 = 329,135.20/x
  3. Step 3: Cross multiply
    539,087.20x = 807,075.60 × 329,135.20
  4. Step 4: Simplify right side
    539,087.20x = 265,636,989,021.12
  5. Step 5: Solve for x
    x = 265,636,989,021.12/539,087.20
  6. Step 6: Final answer
    x = 492,753.29

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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.