Home / 855,823.20-1,284,656.40-482,575.20

Finding the Fourth Proportional to 855,823.20, 1,284,656.40 and 482,575.20

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Solution

The fourth proportional to 855,823.20, 1,284,656.40 and 482,575.20 is: 724,382.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,823.20 : 1,284,656.40 = 482,575.20 : x
  2. Step 2: Convert to fraction form
    855,823.20/1,284,656.40 = 482,575.20/x
  3. Step 3: Cross multiply
    855,823.20x = 1,284,656.40 × 482,575.20
  4. Step 4: Simplify right side
    855,823.20x = 619,943,319,161.28
  5. Step 5: Solve for x
    x = 619,943,319,161.28/855,823.20
  6. Step 6: Final answer
    x = 724,382.46

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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.