Home / 439,671.23-659,045.14-279,869.57

Finding the Fourth Proportional to 439,671.23, 659,045.14 and 279,869.57

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Solution

The fourth proportional to 439,671.23, 659,045.14 and 279,869.57 is: 419,510.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,671.23 : 659,045.14 = 279,869.57 : x
  2. Step 2: Convert to fraction form
    439,671.23/659,045.14 = 279,869.57/x
  3. Step 3: Cross multiply
    439,671.23x = 659,045.14 × 279,869.57
  4. Step 4: Simplify right side
    439,671.23x = 184,446,675,947.49
  5. Step 5: Solve for x
    x = 184,446,675,947.49/439,671.23
  6. Step 6: Final answer
    x = 419,510.46

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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.