Home / 855,818.20-1,284,648.90-482,570.20

Finding the Fourth Proportional to 855,818.20, 1,284,648.90 and 482,570.20

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Solution

The fourth proportional to 855,818.20, 1,284,648.90 and 482,570.20 is: 724,374.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,818.20 : 1,284,648.90 = 482,570.20 : x
  2. Step 2: Convert to fraction form
    855,818.20/1,284,648.90 = 482,570.20/x
  3. Step 3: Cross multiply
    855,818.20x = 1,284,648.90 × 482,570.20
  4. Step 4: Simplify right side
    855,818.20x = 619,933,276,602.78
  5. Step 5: Solve for x
    x = 619,933,276,602.78/855,818.20
  6. Step 6: Final answer
    x = 724,374.96

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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.