Home / 758,910.70-1,138,041.82-439,283.19

Finding the Fourth Proportional to 758,910.70, 1,138,041.82 and 439,283.19

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Solution

The fourth proportional to 758,910.70, 1,138,041.82 and 439,283.19 is: 658,737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,910.70 : 1,138,041.82 = 439,283.19 : x
  2. Step 2: Convert to fraction form
    758,910.70/1,138,041.82 = 439,283.19/x
  3. Step 3: Cross multiply
    758,910.70x = 1,138,041.82 × 439,283.19
  4. Step 4: Simplify right side
    758,910.70x = 499,922,633,156.38
  5. Step 5: Solve for x
    x = 499,922,633,156.38/758,910.70
  6. Step 6: Final answer
    x = 658,737.10

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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.