Home / 891,158.00-1,336,714.92-260,077.28

Finding the Fourth Proportional to 891,158.00, 1,336,714.92 and 260,077.28

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Solution

The fourth proportional to 891,158.00, 1,336,714.92 and 260,077.28 is: 390,109.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,158.00 : 1,336,714.92 = 260,077.28 : x
  2. Step 2: Convert to fraction form
    891,158.00/1,336,714.92 = 260,077.28/x
  3. Step 3: Cross multiply
    891,158.00x = 1,336,714.92 × 260,077.28
  4. Step 4: Simplify right side
    891,158.00x = 347,649,173,845.44
  5. Step 5: Solve for x
    x = 347,649,173,845.44/891,158.00
  6. Step 6: Final answer
    x = 390,109.47

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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.