Home / 577,723.40-867,097.10-340,769.80

Finding the Fourth Proportional to 577,723.40, 867,097.10 and 340,769.80

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Solution

The fourth proportional to 577,723.40, 867,097.10 and 340,769.80 is: 511,456.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,723.40 : 867,097.10 = 340,769.80 : x
  2. Step 2: Convert to fraction form
    577,723.40/867,097.10 = 340,769.80/x
  3. Step 3: Cross multiply
    577,723.40x = 867,097.10 × 340,769.80
  4. Step 4: Simplify right side
    577,723.40x = 295,480,505,347.58
  5. Step 5: Solve for x
    x = 295,480,505,347.58/577,723.40
  6. Step 6: Final answer
    x = 511,456.70

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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.