Home / 483,577.20-725,365.80-442,242.90

Finding the Fourth Proportional to 483,577.20, 725,365.80 and 442,242.90

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Solution

The fourth proportional to 483,577.20, 725,365.80 and 442,242.90 is: 663,364.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,577.20 : 725,365.80 = 442,242.90 : x
  2. Step 2: Convert to fraction form
    483,577.20/725,365.80 = 442,242.90/x
  3. Step 3: Cross multiply
    483,577.20x = 725,365.80 × 442,242.90
  4. Step 4: Simplify right side
    483,577.20x = 320,787,874,952.82
  5. Step 5: Solve for x
    x = 320,787,874,952.82/483,577.20
  6. Step 6: Final answer
    x = 663,364.35

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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.