Home / 654,138.02-902,785.26-363,778.52

Finding the Fourth Proportional to 654,138.02, 902,785.26 and 363,778.52

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Solution

The fourth proportional to 654,138.02, 902,785.26 and 363,778.52 is: 502,055.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,138.02 : 902,785.26 = 363,778.52 : x
  2. Step 2: Convert to fraction form
    654,138.02/902,785.26 = 363,778.52/x
  3. Step 3: Cross multiply
    654,138.02x = 902,785.26 × 363,778.52
  4. Step 4: Simplify right side
    654,138.02x = 328,413,885,760.62
  5. Step 5: Solve for x
    x = 328,413,885,760.62/654,138.02
  6. Step 6: Final answer
    x = 502,055.95

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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.