Home / 791,316.09-1,091,892.83-468,974.16

Finding the Fourth Proportional to 791,316.09, 1,091,892.83 and 468,974.16

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Solution

The fourth proportional to 791,316.09, 1,091,892.83 and 468,974.16 is: 647,111.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,316.09 : 1,091,892.83 = 468,974.16 : x
  2. Step 2: Convert to fraction form
    791,316.09/1,091,892.83 = 468,974.16/x
  3. Step 3: Cross multiply
    791,316.09x = 1,091,892.83 × 468,974.16
  4. Step 4: Simplify right side
    791,316.09x = 512,069,520,414.40
  5. Step 5: Solve for x
    x = 512,069,520,414.40/791,316.09
  6. Step 6: Final answer
    x = 647,111.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.