Home / 803,065.20-1,204,405.80-465,375.60

Finding the Fourth Proportional to 803,065.20, 1,204,405.80 and 465,375.60

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Solution

The fourth proportional to 803,065.20, 1,204,405.80 and 465,375.60 is: 697,952.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,065.20 : 1,204,405.80 = 465,375.60 : x
  2. Step 2: Convert to fraction form
    803,065.20/1,204,405.80 = 465,375.60/x
  3. Step 3: Cross multiply
    803,065.20x = 1,204,405.80 × 465,375.60
  4. Step 4: Simplify right side
    803,065.20x = 560,501,071,818.48
  5. Step 5: Solve for x
    x = 560,501,071,818.48/803,065.20
  6. Step 6: Final answer
    x = 697,952.14

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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.