Home / 544,557.60-815,864.40-263,455.20

Finding the Fourth Proportional to 544,557.60, 815,864.40 and 263,455.20

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Solution

The fourth proportional to 544,557.60, 815,864.40 and 263,455.20 is: 394,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,557.60 : 815,864.40 = 263,455.20 : x
  2. Step 2: Convert to fraction form
    544,557.60/815,864.40 = 263,455.20/x
  3. Step 3: Cross multiply
    544,557.60x = 815,864.40 × 263,455.20
  4. Step 4: Simplify right side
    544,557.60x = 214,943,718,674.88
  5. Step 5: Solve for x
    x = 214,943,718,674.88/544,557.60
  6. Step 6: Final answer
    x = 394,712.55

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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.