Home / 896,072.31-1,236,565.35-488,179.08

Finding the Fourth Proportional to 896,072.31, 1,236,565.35 and 488,179.08

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Solution

The fourth proportional to 896,072.31, 1,236,565.35 and 488,179.08 is: 673,679.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,072.31 : 1,236,565.35 = 488,179.08 : x
  2. Step 2: Convert to fraction form
    896,072.31/1,236,565.35 = 488,179.08/x
  3. Step 3: Cross multiply
    896,072.31x = 1,236,565.35 × 488,179.08
  4. Step 4: Simplify right side
    896,072.31x = 603,665,334,922.88
  5. Step 5: Solve for x
    x = 603,665,334,922.88/896,072.31
  6. Step 6: Final answer
    x = 673,679.26

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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.