Home / 547,764.40-821,710.60-173,825.20

Finding the Fourth Proportional to 547,764.40, 821,710.60 and 173,825.20

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Solution

The fourth proportional to 547,764.40, 821,710.60 and 173,825.20 is: 260,758.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,764.40 : 821,710.60 = 173,825.20 : x
  2. Step 2: Convert to fraction form
    547,764.40/821,710.60 = 173,825.20/x
  3. Step 3: Cross multiply
    547,764.40x = 821,710.60 × 173,825.20
  4. Step 4: Simplify right side
    547,764.40x = 142,834,009,387.12
  5. Step 5: Solve for x
    x = 142,834,009,387.12/547,764.40
  6. Step 6: Final answer
    x = 260,758.11

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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.