Home / 392,927.10-589,390.65-268,511.10

Finding the Fourth Proportional to 392,927.10, 589,390.65 and 268,511.10

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Solution

The fourth proportional to 392,927.10, 589,390.65 and 268,511.10 is: 402,766.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,927.10 : 589,390.65 = 268,511.10 : x
  2. Step 2: Convert to fraction form
    392,927.10/589,390.65 = 268,511.10/x
  3. Step 3: Cross multiply
    392,927.10x = 589,390.65 × 268,511.10
  4. Step 4: Simplify right side
    392,927.10x = 158,257,931,761.22
  5. Step 5: Solve for x
    x = 158,257,931,761.22/392,927.10
  6. Step 6: Final answer
    x = 402,766.65

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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.