Home / 689,893.92-1,034,841.24-310,371.48

Finding the Fourth Proportional to 689,893.92, 1,034,841.24 and 310,371.48

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Solution

The fourth proportional to 689,893.92, 1,034,841.24 and 310,371.48 is: 465,557.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,893.92 : 1,034,841.24 = 310,371.48 : x
  2. Step 2: Convert to fraction form
    689,893.92/1,034,841.24 = 310,371.48/x
  3. Step 3: Cross multiply
    689,893.92x = 1,034,841.24 × 310,371.48
  4. Step 4: Simplify right side
    689,893.92x = 321,185,207,223.84
  5. Step 5: Solve for x
    x = 321,185,207,223.84/689,893.92
  6. Step 6: Final answer
    x = 465,557.38

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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.