Home / 564,820.40-845,848.20-268,986.80

Finding the Fourth Proportional to 564,820.40, 845,848.20 and 268,986.80

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Solution

The fourth proportional to 564,820.40, 845,848.20 and 268,986.80 is: 402,821.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,820.40 : 845,848.20 = 268,986.80 : x
  2. Step 2: Convert to fraction form
    564,820.40/845,848.20 = 268,986.80/x
  3. Step 3: Cross multiply
    564,820.40x = 845,848.20 × 268,986.80
  4. Step 4: Simplify right side
    564,820.40x = 227,522,000,603.76
  5. Step 5: Solve for x
    x = 227,522,000,603.76/564,820.40
  6. Step 6: Final answer
    x = 402,821.85

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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.