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Finding the Fourth Proportional to 637,555.46, 879,863.38 and 365,621.18

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Solution

The fourth proportional to 637,555.46, 879,863.38 and 365,621.18 is: 504,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,555.46 : 879,863.38 = 365,621.18 : x
  2. Step 2: Convert to fraction form
    637,555.46/879,863.38 = 365,621.18/x
  3. Step 3: Cross multiply
    637,555.46x = 879,863.38 × 365,621.18
  4. Step 4: Simplify right side
    637,555.46x = 321,696,681,921.02
  5. Step 5: Solve for x
    x = 321,696,681,921.02/637,555.46
  6. Step 6: Final answer
    x = 504,578.35

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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.