Home / 438,029.76-604,480.78-247,042.68

Finding the Fourth Proportional to 438,029.76, 604,480.78 and 247,042.68

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Solution

The fourth proportional to 438,029.76, 604,480.78 and 247,042.68 is: 340,918.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,029.76 : 604,480.78 = 247,042.68 : x
  2. Step 2: Convert to fraction form
    438,029.76/604,480.78 = 247,042.68/x
  3. Step 3: Cross multiply
    438,029.76x = 604,480.78 × 247,042.68
  4. Step 4: Simplify right side
    438,029.76x = 149,332,551,899.69
  5. Step 5: Solve for x
    x = 149,332,551,899.69/438,029.76
  6. Step 6: Final answer
    x = 340,918.74

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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.