Home / 426,175.06-588,342.70-311,324.74

Finding the Fourth Proportional to 426,175.06, 588,342.70 and 311,324.74

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Solution

The fourth proportional to 426,175.06, 588,342.70 and 311,324.74 is: 429,789.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,175.06 : 588,342.70 = 311,324.74 : x
  2. Step 2: Convert to fraction form
    426,175.06/588,342.70 = 311,324.74/x
  3. Step 3: Cross multiply
    426,175.06x = 588,342.70 × 311,324.74
  4. Step 4: Simplify right side
    426,175.06x = 183,165,635,166.68
  5. Step 5: Solve for x
    x = 183,165,635,166.68/426,175.06
  6. Step 6: Final answer
    x = 429,789.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.