Home / 484,539.96-726,829.98-142,983.39

Finding the Fourth Proportional to 484,539.96, 726,829.98 and 142,983.39

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Solution

The fourth proportional to 484,539.96, 726,829.98 and 142,983.39 is: 214,481.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,539.96 : 726,829.98 = 142,983.39 : x
  2. Step 2: Convert to fraction form
    484,539.96/726,829.98 = 142,983.39/x
  3. Step 3: Cross multiply
    484,539.96x = 726,829.98 × 142,983.39
  4. Step 4: Simplify right side
    484,539.96x = 103,924,614,494.03
  5. Step 5: Solve for x
    x = 103,924,614,494.03/484,539.96
  6. Step 6: Final answer
    x = 214,481.00

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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.