Home / 426,400.39-588,423.75-245,107.66

Finding the Fourth Proportional to 426,400.39, 588,423.75 and 245,107.66

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Solution

The fourth proportional to 426,400.39, 588,423.75 and 245,107.66 is: 338,243.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,400.39 : 588,423.75 = 245,107.66 : x
  2. Step 2: Convert to fraction form
    426,400.39/588,423.75 = 245,107.66/x
  3. Step 3: Cross multiply
    426,400.39x = 588,423.75 × 245,107.66
  4. Step 4: Simplify right side
    426,400.39x = 144,227,168,450.93
  5. Step 5: Solve for x
    x = 144,227,168,450.93/426,400.39
  6. Step 6: Final answer
    x = 338,243.52

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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.