Home / 643,950.02-965,531.18-307,093.70

Finding the Fourth Proportional to 643,950.02, 965,531.18 and 307,093.70

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Solution

The fourth proportional to 643,950.02, 965,531.18 and 307,093.70 is: 460,452.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,950.02 : 965,531.18 = 307,093.70 : x
  2. Step 2: Convert to fraction form
    643,950.02/965,531.18 = 307,093.70/x
  3. Step 3: Cross multiply
    643,950.02x = 965,531.18 × 307,093.70
  4. Step 4: Simplify right side
    643,950.02x = 296,508,542,531.57
  5. Step 5: Solve for x
    x = 296,508,542,531.57/643,950.02
  6. Step 6: Final answer
    x = 460,452.73

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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.