Home / 855,829.20-1,284,665.40-482,581.20

Finding the Fourth Proportional to 855,829.20, 1,284,665.40 and 482,581.20

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Solution

The fourth proportional to 855,829.20, 1,284,665.40 and 482,581.20 is: 724,391.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,829.20 : 1,284,665.40 = 482,581.20 : x
  2. Step 2: Convert to fraction form
    855,829.20/1,284,665.40 = 482,581.20/x
  3. Step 3: Cross multiply
    855,829.20x = 1,284,665.40 × 482,581.20
  4. Step 4: Simplify right side
    855,829.20x = 619,955,370,330.48
  5. Step 5: Solve for x
    x = 619,955,370,330.48/855,829.20
  6. Step 6: Final answer
    x = 724,391.47

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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.