Home / 784,993.52-1,083,007.60-445,264.96

Finding the Fourth Proportional to 784,993.52, 1,083,007.60 and 445,264.96

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Solution

The fourth proportional to 784,993.52, 1,083,007.60 and 445,264.96 is: 614,304.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,993.52 : 1,083,007.60 = 445,264.96 : x
  2. Step 2: Convert to fraction form
    784,993.52/1,083,007.60 = 445,264.96/x
  3. Step 3: Cross multiply
    784,993.52x = 1,083,007.60 × 445,264.96
  4. Step 4: Simplify right side
    784,993.52x = 482,225,335,693.70
  5. Step 5: Solve for x
    x = 482,225,335,693.70/784,993.52
  6. Step 6: Final answer
    x = 614,304.86

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1.5x scale

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.