Home / 887,261.90-1,330,892.85-677,309.90

Finding the Fourth Proportional to 887,261.90, 1,330,892.85 and 677,309.90

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Solution

The fourth proportional to 887,261.90, 1,330,892.85 and 677,309.90 is: 1,015,964.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,261.90 : 1,330,892.85 = 677,309.90 : x
  2. Step 2: Convert to fraction form
    887,261.90/1,330,892.85 = 677,309.90/x
  3. Step 3: Cross multiply
    887,261.90x = 1,330,892.85 × 677,309.90
  4. Step 4: Simplify right side
    887,261.90x = 901,426,903,144.22
  5. Step 5: Solve for x
    x = 901,426,903,144.22/887,261.90
  6. Step 6: Final answer
    x = 1,015,964.85

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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.