Home / 538,002.02-742,437.20-296,279.44

Finding the Fourth Proportional to 538,002.02, 742,437.20 and 296,279.44

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Solution

The fourth proportional to 538,002.02, 742,437.20 and 296,279.44 is: 408,862.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,002.02 : 742,437.20 = 296,279.44 : x
  2. Step 2: Convert to fraction form
    538,002.02/742,437.20 = 296,279.44/x
  3. Step 3: Cross multiply
    538,002.02x = 742,437.20 × 296,279.44
  4. Step 4: Simplify right side
    538,002.02x = 219,968,876,735.77
  5. Step 5: Solve for x
    x = 219,968,876,735.77/538,002.02
  6. Step 6: Final answer
    x = 408,862.55

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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.