Home / 756,657.06-1,135,151.64-224,219.76

Finding the Fourth Proportional to 756,657.06, 1,135,151.64 and 224,219.76

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Solution

The fourth proportional to 756,657.06, 1,135,151.64 and 224,219.76 is: 336,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,657.06 : 1,135,151.64 = 224,219.76 : x
  2. Step 2: Convert to fraction form
    756,657.06/1,135,151.64 = 224,219.76/x
  3. Step 3: Cross multiply
    756,657.06x = 1,135,151.64 × 224,219.76
  4. Step 4: Simplify right side
    756,657.06x = 254,523,428,284.41
  5. Step 5: Solve for x
    x = 254,523,428,284.41/756,657.06
  6. Step 6: Final answer
    x = 336,378.85

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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.