Home / 651,436.18-898,936.56-361,044.90

Finding the Fourth Proportional to 651,436.18, 898,936.56 and 361,044.90

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Solution

The fourth proportional to 651,436.18, 898,936.56 and 361,044.90 is: 498,216.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,436.18 : 898,936.56 = 361,044.90 : x
  2. Step 2: Convert to fraction form
    651,436.18/898,936.56 = 361,044.90/x
  3. Step 3: Cross multiply
    651,436.18x = 898,936.56 × 361,044.90
  4. Step 4: Simplify right side
    651,436.18x = 324,556,460,853.66
  5. Step 5: Solve for x
    x = 324,556,460,853.66/651,436.18
  6. Step 6: Final answer
    x = 498,216.82

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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.