Home / 1,087,608.14-1,631,495.27-329,512.40

Finding the Fourth Proportional to 1,087,608.14, 1,631,495.27 and 329,512.40

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Solution

The fourth proportional to 1,087,608.14, 1,631,495.27 and 329,512.40 is: 494,293.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,608.14 : 1,631,495.27 = 329,512.40 : x
  2. Step 2: Convert to fraction form
    1,087,608.14/1,631,495.27 = 329,512.40/x
  3. Step 3: Cross multiply
    1,087,608.14x = 1,631,495.27 × 329,512.40
  4. Step 4: Simplify right side
    1,087,608.14x = 537,597,928,114.41
  5. Step 5: Solve for x
    x = 537,597,928,114.41/1,087,608.14
  6. Step 6: Final answer
    x = 494,293.77

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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.