Home / 867,828.10-1,301,622.15-269,200.90

Finding the Fourth Proportional to 867,828.10, 1,301,622.15 and 269,200.90

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Solution

The fourth proportional to 867,828.10, 1,301,622.15 and 269,200.90 is: 403,764.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,828.10 : 1,301,622.15 = 269,200.90 : x
  2. Step 2: Convert to fraction form
    867,828.10/1,301,622.15 = 269,200.90/x
  3. Step 3: Cross multiply
    867,828.10x = 1,301,622.15 × 269,200.90
  4. Step 4: Simplify right side
    867,828.10x = 350,397,854,239.94
  5. Step 5: Solve for x
    x = 350,397,854,239.94/867,828.10
  6. Step 6: Final answer
    x = 403,764.13

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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.