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Finding the Fourth Proportional to 637,100.74, 879,371.73 and 375,684.35

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Solution

The fourth proportional to 637,100.74, 879,371.73 and 375,684.35 is: 518,546.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,100.74 : 879,371.73 = 375,684.35 : x
  2. Step 2: Convert to fraction form
    637,100.74/879,371.73 = 375,684.35/x
  3. Step 3: Cross multiply
    637,100.74x = 879,371.73 × 375,684.35
  4. Step 4: Simplify right side
    637,100.74x = 330,366,198,991.86
  5. Step 5: Solve for x
    x = 330,366,198,991.86/637,100.74
  6. Step 6: Final answer
    x = 518,546.25

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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.