Home / 628,540.02-867,385.26-342,053.82

Finding the Fourth Proportional to 628,540.02, 867,385.26 and 342,053.82

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Solution

The fourth proportional to 628,540.02, 867,385.26 and 342,053.82 is: 472,034.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,540.02 : 867,385.26 = 342,053.82 : x
  2. Step 2: Convert to fraction form
    628,540.02/867,385.26 = 342,053.82/x
  3. Step 3: Cross multiply
    628,540.02x = 867,385.26 × 342,053.82
  4. Step 4: Simplify right side
    628,540.02x = 296,692,441,594.69
  5. Step 5: Solve for x
    x = 296,692,441,594.69/628,540.02
  6. Step 6: Final answer
    x = 472,034.29

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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.