Home / 891,003.90-1,336,557.05-260,015.10

Finding the Fourth Proportional to 891,003.90, 1,336,557.05 and 260,015.10

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Solution

The fourth proportional to 891,003.90, 1,336,557.05 and 260,015.10 is: 390,037.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,003.90 : 1,336,557.05 = 260,015.10 : x
  2. Step 2: Convert to fraction form
    891,003.90/1,336,557.05 = 260,015.10/x
  3. Step 3: Cross multiply
    891,003.90x = 1,336,557.05 × 260,015.10
  4. Step 4: Simplify right side
    891,003.90x = 347,525,015,011.46
  5. Step 5: Solve for x
    x = 347,525,015,011.46/891,003.90
  6. Step 6: Final answer
    x = 390,037.59

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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.