Home / 538,608.04-743,312.36-296,890.07

Finding the Fourth Proportional to 538,608.04, 743,312.36 and 296,890.07

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Solution

The fourth proportional to 538,608.04, 743,312.36 and 296,890.07 is: 409,726.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,608.04 : 743,312.36 = 296,890.07 : x
  2. Step 2: Convert to fraction form
    538,608.04/743,312.36 = 296,890.07/x
  3. Step 3: Cross multiply
    538,608.04x = 743,312.36 × 296,890.07
  4. Step 4: Simplify right side
    538,608.04x = 220,682,055,617.93
  5. Step 5: Solve for x
    x = 220,682,055,617.93/538,608.04
  6. Step 6: Final answer
    x = 409,726.63

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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.