Home / 867,747.78-1,301,123.31-462,440.97

Finding the Fourth Proportional to 867,747.78, 1,301,123.31 and 462,440.97

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Solution

The fourth proportional to 867,747.78, 1,301,123.31 and 462,440.97 is: 693,395.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,747.78 : 1,301,123.31 = 462,440.97 : x
  2. Step 2: Convert to fraction form
    867,747.78/1,301,123.31 = 462,440.97/x
  3. Step 3: Cross multiply
    867,747.78x = 1,301,123.31 × 462,440.97
  4. Step 4: Simplify right side
    867,747.78x = 601,692,725,566.01
  5. Step 5: Solve for x
    x = 601,692,725,566.01/867,747.78
  6. Step 6: Final answer
    x = 693,395.87

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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.