Home / 688,944.18-1,033,215.39-268,120.02

Finding the Fourth Proportional to 688,944.18, 1,033,215.39 and 268,120.02

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Solution

The fourth proportional to 688,944.18, 1,033,215.39 and 268,120.02 is: 402,101.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,944.18 : 1,033,215.39 = 268,120.02 : x
  2. Step 2: Convert to fraction form
    688,944.18/1,033,215.39 = 268,120.02/x
  3. Step 3: Cross multiply
    688,944.18x = 1,033,215.39 × 268,120.02
  4. Step 4: Simplify right side
    688,944.18x = 277,025,731,031.11
  5. Step 5: Solve for x
    x = 277,025,731,031.11/688,944.18
  6. Step 6: Final answer
    x = 402,101.85

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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.