Home / 896,140.80-1,344,182.40-297,129.60

Finding the Fourth Proportional to 896,140.80, 1,344,182.40 and 297,129.60

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Solution

The fourth proportional to 896,140.80, 1,344,182.40 and 297,129.60 is: 445,684.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,140.80 : 1,344,182.40 = 297,129.60 : x
  2. Step 2: Convert to fraction form
    896,140.80/1,344,182.40 = 297,129.60/x
  3. Step 3: Cross multiply
    896,140.80x = 1,344,182.40 × 297,129.60
  4. Step 4: Simplify right side
    896,140.80x = 399,396,378,839.04
  5. Step 5: Solve for x
    x = 399,396,378,839.04/896,140.80
  6. Step 6: Final answer
    x = 445,684.85

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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.