Home / 964,770.90-1,331,207.79-556,723.86

Finding the Fourth Proportional to 964,770.90, 1,331,207.79 and 556,723.86

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Solution

The fourth proportional to 964,770.90, 1,331,207.79 and 556,723.86 is: 768,177.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,770.90 : 1,331,207.79 = 556,723.86 : x
  2. Step 2: Convert to fraction form
    964,770.90/1,331,207.79 = 556,723.86/x
  3. Step 3: Cross multiply
    964,770.90x = 1,331,207.79 × 556,723.86
  4. Step 4: Simplify right side
    964,770.90x = 741,115,139,310.87
  5. Step 5: Solve for x
    x = 741,115,139,310.87/964,770.90
  6. Step 6: Final answer
    x = 768,177.34

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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.