Home / 538,042.06-742,531.61-296,324.57

Finding the Fourth Proportional to 538,042.06, 742,531.61 and 296,324.57

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Solution

The fourth proportional to 538,042.06, 742,531.61 and 296,324.57 is: 408,946.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,042.06 : 742,531.61 = 296,324.57 : x
  2. Step 2: Convert to fraction form
    538,042.06/742,531.61 = 296,324.57/x
  3. Step 3: Cross multiply
    538,042.06x = 742,531.61 × 296,324.57
  4. Step 4: Simplify right side
    538,042.06x = 220,030,358,563.04
  5. Step 5: Solve for x
    x = 220,030,358,563.04/538,042.06
  6. Step 6: Final answer
    x = 408,946.39

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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.