Home / 484,538.96-726,828.48-142,982.39

Finding the Fourth Proportional to 484,538.96, 726,828.48 and 142,982.39

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Solution

The fourth proportional to 484,538.96, 726,828.48 and 142,982.39 is: 214,479.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,538.96 : 726,828.48 = 142,982.39 : x
  2. Step 2: Convert to fraction form
    484,538.96/726,828.48 = 142,982.39/x
  3. Step 3: Cross multiply
    484,538.96x = 726,828.48 × 142,982.39
  4. Step 4: Simplify right side
    484,538.96x = 103,923,672,281.93
  5. Step 5: Solve for x
    x = 103,923,672,281.93/484,538.96
  6. Step 6: Final answer
    x = 214,479.50

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1.5x scale

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.