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Finding the Fourth Proportional to 637,399.29, 879,608.52 and 350,919.57

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Solution

The fourth proportional to 637,399.29, 879,608.52 and 350,919.57 is: 484,267.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,399.29 : 879,608.52 = 350,919.57 : x
  2. Step 2: Convert to fraction form
    637,399.29/879,608.52 = 350,919.57/x
  3. Step 3: Cross multiply
    637,399.29x = 879,608.52 × 350,919.57
  4. Step 4: Simplify right side
    637,399.29x = 308,671,843,606.74
  5. Step 5: Solve for x
    x = 308,671,843,606.74/637,399.29
  6. Step 6: Final answer
    x = 484,267.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.