Home / 938,932.56-1,408,679.52-665,904.76

Finding the Fourth Proportional to 938,932.56, 1,408,679.52 and 665,904.76

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Solution

The fourth proportional to 938,932.56, 1,408,679.52 and 665,904.76 is: 999,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,932.56 : 1,408,679.52 = 665,904.76 : x
  2. Step 2: Convert to fraction form
    938,932.56/1,408,679.52 = 665,904.76/x
  3. Step 3: Cross multiply
    938,932.56x = 1,408,679.52 × 665,904.76
  4. Step 4: Simplify right side
    938,932.56x = 938,046,397,682.52
  5. Step 5: Solve for x
    x = 938,046,397,682.52/938,932.56
  6. Step 6: Final answer
    x = 999,056.20

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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.