Home / 819,265.56-1,228,453.60-369,460.12

Finding the Fourth Proportional to 819,265.56, 1,228,453.60 and 369,460.12

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Solution

The fourth proportional to 819,265.56, 1,228,453.60 and 369,460.12 is: 553,989.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,265.56 : 1,228,453.60 = 369,460.12 : x
  2. Step 2: Convert to fraction form
    819,265.56/1,228,453.60 = 369,460.12/x
  3. Step 3: Cross multiply
    819,265.56x = 1,228,453.60 × 369,460.12
  4. Step 4: Simplify right side
    819,265.56x = 453,864,614,470.43
  5. Step 5: Solve for x
    x = 453,864,614,470.43/819,265.56
  6. Step 6: Final answer
    x = 553,989.62

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1.5x scale

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.