Home / 881,079.70-1,215,814.61-488,625.30

Finding the Fourth Proportional to 881,079.70, 1,215,814.61 and 488,625.30

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Solution

The fourth proportional to 881,079.70, 1,215,814.61 and 488,625.30 is: 674,261.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,079.70 : 1,215,814.61 = 488,625.30 : x
  2. Step 2: Convert to fraction form
    881,079.70/1,215,814.61 = 488,625.30/x
  3. Step 3: Cross multiply
    881,079.70x = 1,215,814.61 × 488,625.30
  4. Step 4: Simplify right side
    881,079.70x = 594,077,778,555.63
  5. Step 5: Solve for x
    x = 594,077,778,555.63/881,079.70
  6. Step 6: Final answer
    x = 674,261.11

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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.