Home / 804,718.10-1,207,164.60-299,219.78

Finding the Fourth Proportional to 804,718.10, 1,207,164.60 and 299,219.78

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Solution

The fourth proportional to 804,718.10, 1,207,164.60 and 299,219.78 is: 448,862.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,718.10 : 1,207,164.60 = 299,219.78 : x
  2. Step 2: Convert to fraction form
    804,718.10/1,207,164.60 = 299,219.78/x
  3. Step 3: Cross multiply
    804,718.10x = 1,207,164.60 × 299,219.78
  4. Step 4: Simplify right side
    804,718.10x = 361,207,526,035.79
  5. Step 5: Solve for x
    x = 361,207,526,035.79/804,718.10
  6. Step 6: Final answer
    x = 448,862.19

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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.