Home / 689,734.24-1,034,854.08-290,475.52

Finding the Fourth Proportional to 689,734.24, 1,034,854.08 and 290,475.52

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Solution

The fourth proportional to 689,734.24, 1,034,854.08 and 290,475.52 is: 435,819.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,734.24 : 1,034,854.08 = 290,475.52 : x
  2. Step 2: Convert to fraction form
    689,734.24/1,034,854.08 = 290,475.52/x
  3. Step 3: Cross multiply
    689,734.24x = 1,034,854.08 × 290,475.52
  4. Step 4: Simplify right side
    689,734.24x = 300,599,777,012.12
  5. Step 5: Solve for x
    x = 300,599,777,012.12/689,734.24
  6. Step 6: Final answer
    x = 435,819.71

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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.