Home / 887,941.20-1,225,122.60-505,959.84

Finding the Fourth Proportional to 887,941.20, 1,225,122.60 and 505,959.84

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Solution

The fourth proportional to 887,941.20, 1,225,122.60 and 505,959.84 is: 698,089.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,941.20 : 1,225,122.60 = 505,959.84 : x
  2. Step 2: Convert to fraction form
    887,941.20/1,225,122.60 = 505,959.84/x
  3. Step 3: Cross multiply
    887,941.20x = 1,225,122.60 × 505,959.84
  4. Step 4: Simplify right side
    887,941.20x = 619,862,834,676.38
  5. Step 5: Solve for x
    x = 619,862,834,676.38/887,941.20
  6. Step 6: Final answer
    x = 698,089.96

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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.