Home / 389,110.44-583,490.70-376,863.24

Finding the Fourth Proportional to 389,110.44, 583,490.70 and 376,863.24

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Solution

The fourth proportional to 389,110.44, 583,490.70 and 376,863.24 is: 565,125.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,110.44 : 583,490.70 = 376,863.24 : x
  2. Step 2: Convert to fraction form
    389,110.44/583,490.70 = 376,863.24/x
  3. Step 3: Cross multiply
    389,110.44x = 583,490.70 × 376,863.24
  4. Step 4: Simplify right side
    389,110.44x = 219,896,195,711.87
  5. Step 5: Solve for x
    x = 219,896,195,711.87/389,110.44
  6. Step 6: Final answer
    x = 565,125.41

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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.