Home / 737,979.11-1,107,318.59-439,050.23

Finding the Fourth Proportional to 737,979.11, 1,107,318.59 and 439,050.23

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Solution

The fourth proportional to 737,979.11, 1,107,318.59 and 439,050.23 is: 658,783.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,979.11 : 1,107,318.59 = 439,050.23 : x
  2. Step 2: Convert to fraction form
    737,979.11/1,107,318.59 = 439,050.23/x
  3. Step 3: Cross multiply
    737,979.11x = 1,107,318.59 × 439,050.23
  4. Step 4: Simplify right side
    737,979.11x = 486,168,479,427.53
  5. Step 5: Solve for x
    x = 486,168,479,427.53/737,979.11
  6. Step 6: Final answer
    x = 658,783.52

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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.