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Finding the Fourth Proportional to 637,204, 879,341.52 and 368,932

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Solution

The fourth proportional to 637,204, 879,341.52 and 368,932 is: 509,126.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,204 : 879,341.52 = 368,932 : x
  2. Step 2: Convert to fraction form
    637,204/879,341.52 = 368,932/x
  3. Step 3: Cross multiply
    637,204x = 879,341.52 × 368,932
  4. Step 4: Simplify right side
    637,204x = 324,417,225,656.64
  5. Step 5: Solve for x
    x = 324,417,225,656.64/637,204
  6. Step 6: Final answer
    x = 509,126.16

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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.