Home / 801,574.38-1,106,172.65-438,999.11

Finding the Fourth Proportional to 801,574.38, 1,106,172.65 and 438,999.11

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Solution

The fourth proportional to 801,574.38, 1,106,172.65 and 438,999.11 is: 605,818.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,574.38 : 1,106,172.65 = 438,999.11 : x
  2. Step 2: Convert to fraction form
    801,574.38/1,106,172.65 = 438,999.11/x
  3. Step 3: Cross multiply
    801,574.38x = 1,106,172.65 × 438,999.11
  4. Step 4: Simplify right side
    801,574.38x = 485,608,801,130.48
  5. Step 5: Solve for x
    x = 485,608,801,130.48/801,574.38
  6. Step 6: Final answer
    x = 605,818.77

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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.