Home / 379,701.20-524,335.56-304,798.16

Finding the Fourth Proportional to 379,701.20, 524,335.56 and 304,798.16

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Solution

The fourth proportional to 379,701.20, 524,335.56 and 304,798.16 is: 420,900.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,701.20 : 524,335.56 = 304,798.16 : x
  2. Step 2: Convert to fraction form
    379,701.20/524,335.56 = 304,798.16/x
  3. Step 3: Cross multiply
    379,701.20x = 524,335.56 × 304,798.16
  4. Step 4: Simplify right side
    379,701.20x = 159,816,513,910.57
  5. Step 5: Solve for x
    x = 159,816,513,910.57/379,701.20
  6. Step 6: Final answer
    x = 420,900.73

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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.