Home / 379,828.84-524,142.48-207,712.57

Finding the Fourth Proportional to 379,828.84, 524,142.48 and 207,712.57

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Solution

The fourth proportional to 379,828.84, 524,142.48 and 207,712.57 is: 286,631.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,828.84 : 524,142.48 = 207,712.57 : x
  2. Step 2: Convert to fraction form
    379,828.84/524,142.48 = 207,712.57/x
  3. Step 3: Cross multiply
    379,828.84x = 524,142.48 × 207,712.57
  4. Step 4: Simplify right side
    379,828.84x = 108,870,981,566.97
  5. Step 5: Solve for x
    x = 108,870,981,566.97/379,828.84
  6. Step 6: Final answer
    x = 286,631.69

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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.