Home / 709,669.05-1,065,499.88-677,532.30

Finding the Fourth Proportional to 709,669.05, 1,065,499.88 and 677,532.30

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Solution

The fourth proportional to 709,669.05, 1,065,499.88 and 677,532.30 is: 1,017,249.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,669.05 : 1,065,499.88 = 677,532.30 : x
  2. Step 2: Convert to fraction form
    709,669.05/1,065,499.88 = 677,532.30/x
  3. Step 3: Cross multiply
    709,669.05x = 1,065,499.88 × 677,532.30
  4. Step 4: Simplify right side
    709,669.05x = 721,910,580,958.46
  5. Step 5: Solve for x
    x = 721,910,580,958.46/709,669.05
  6. Step 6: Final answer
    x = 1,017,249.63

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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.