Home / 689,252.30-1,033,741.85-655,074.36

Finding the Fourth Proportional to 689,252.30, 1,033,741.85 and 655,074.36

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Solution

The fourth proportional to 689,252.30, 1,033,741.85 and 655,074.36 is: 982,481.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,252.30 : 1,033,741.85 = 655,074.36 : x
  2. Step 2: Convert to fraction form
    689,252.30/1,033,741.85 = 655,074.36/x
  3. Step 3: Cross multiply
    689,252.30x = 1,033,741.85 × 655,074.36
  4. Step 4: Simplify right side
    689,252.30x = 677,177,779,227.90
  5. Step 5: Solve for x
    x = 677,177,779,227.90/689,252.30
  6. Step 6: Final answer
    x = 982,481.71

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1.5x scale

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.