Home / 426,428.09-588,505.30-245,198.92

Finding the Fourth Proportional to 426,428.09, 588,505.30 and 245,198.92

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Solution

The fourth proportional to 426,428.09, 588,505.30 and 245,198.92 is: 338,394.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,428.09 : 588,505.30 = 245,198.92 : x
  2. Step 2: Convert to fraction form
    426,428.09/588,505.30 = 245,198.92/x
  3. Step 3: Cross multiply
    426,428.09x = 588,505.30 × 245,198.92
  4. Step 4: Simplify right side
    426,428.09x = 144,300,864,648.63
  5. Step 5: Solve for x
    x = 144,300,864,648.63/426,428.09
  6. Step 6: Final answer
    x = 338,394.37

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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.