Home / 1,087,364.72-1,631,273.16-329,248.64

Finding the Fourth Proportional to 1,087,364.72, 1,631,273.16 and 329,248.64

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Solution

The fourth proportional to 1,087,364.72, 1,631,273.16 and 329,248.64 is: 493,941.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,364.72 : 1,631,273.16 = 329,248.64 : x
  2. Step 2: Convert to fraction form
    1,087,364.72/1,631,273.16 = 329,248.64/x
  3. Step 3: Cross multiply
    1,087,364.72x = 1,631,273.16 × 329,248.64
  4. Step 4: Simplify right side
    1,087,364.72x = 537,094,469,398.50
  5. Step 5: Solve for x
    x = 537,094,469,398.50/1,087,364.72
  6. Step 6: Final answer
    x = 493,941.42

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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.