Home / 698,390.02-1,047,516.99-225,414.82

Finding the Fourth Proportional to 698,390.02, 1,047,516.99 and 225,414.82

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Solution

The fourth proportional to 698,390.02, 1,047,516.99 and 225,414.82 is: 338,100.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,390.02 : 1,047,516.99 = 225,414.82 : x
  2. Step 2: Convert to fraction form
    698,390.02/1,047,516.99 = 225,414.82/x
  3. Step 3: Cross multiply
    698,390.02x = 1,047,516.99 × 225,414.82
  4. Step 4: Simplify right side
    698,390.02x = 236,125,853,747.79
  5. Step 5: Solve for x
    x = 236,125,853,747.79/698,390.02
  6. Step 6: Final answer
    x = 338,100.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.