Home / 689,595.06-1,034,382.20-310,247.91

Finding the Fourth Proportional to 689,595.06, 1,034,382.20 and 310,247.91

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Solution

The fourth proportional to 689,595.06, 1,034,382.20 and 310,247.91 is: 465,367.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,595.06 : 1,034,382.20 = 310,247.91 : x
  2. Step 2: Convert to fraction form
    689,595.06/1,034,382.20 = 310,247.91/x
  3. Step 3: Cross multiply
    689,595.06x = 1,034,382.20 × 310,247.91
  4. Step 4: Simplify right side
    689,595.06x = 320,914,914,139.96
  5. Step 5: Solve for x
    x = 320,914,914,139.96/689,595.06
  6. Step 6: Final answer
    x = 465,367.19

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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.