Home / 829,407.40-1,244,308.52-268,441.88

Finding the Fourth Proportional to 829,407.40, 1,244,308.52 and 268,441.88

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Solution

The fourth proportional to 829,407.40, 1,244,308.52 and 268,441.88 is: 402,726.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,407.40 : 1,244,308.52 = 268,441.88 : x
  2. Step 2: Convert to fraction form
    829,407.40/1,244,308.52 = 268,441.88/x
  3. Step 3: Cross multiply
    829,407.40x = 1,244,308.52 × 268,441.88
  4. Step 4: Simplify right side
    829,407.40x = 334,024,518,408.82
  5. Step 5: Solve for x
    x = 334,024,518,408.82/829,407.40
  6. Step 6: Final answer
    x = 402,726.72

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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.