Home / 887,716.20-1,330,796.70-532,871.40

Finding the Fourth Proportional to 887,716.20, 1,330,796.70 and 532,871.40

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Solution

The fourth proportional to 887,716.20, 1,330,796.70 and 532,871.40 is: 798,840.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,716.20 : 1,330,796.70 = 532,871.40 : x
  2. Step 2: Convert to fraction form
    887,716.20/1,330,796.70 = 532,871.40/x
  3. Step 3: Cross multiply
    887,716.20x = 1,330,796.70 × 532,871.40
  4. Step 4: Simplify right side
    887,716.20x = 709,143,500,644.38
  5. Step 5: Solve for x
    x = 709,143,500,644.38/887,716.20
  6. Step 6: Final answer
    x = 798,840.33

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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.