Home / 868,287.41-1,301,735.66-412,649.96

Finding the Fourth Proportional to 868,287.41, 1,301,735.66 and 412,649.96

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Solution

The fourth proportional to 868,287.41, 1,301,735.66 and 412,649.96 is: 618,644.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,287.41 : 1,301,735.66 = 412,649.96 : x
  2. Step 2: Convert to fraction form
    868,287.41/1,301,735.66 = 412,649.96/x
  3. Step 3: Cross multiply
    868,287.41x = 1,301,735.66 × 412,649.96
  4. Step 4: Simplify right side
    868,287.41x = 537,161,159,457.65
  5. Step 5: Solve for x
    x = 537,161,159,457.65/868,287.41
  6. Step 6: Final answer
    x = 618,644.42

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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.