Home / 999,995.25-1,500,148.70-325,920.17

Finding the Fourth Proportional to 999,995.25, 1,500,148.70 and 325,920.17

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Solution

The fourth proportional to 999,995.25, 1,500,148.70 and 325,920.17 is: 488,931.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,995.25 : 1,500,148.70 = 325,920.17 : x
  2. Step 2: Convert to fraction form
    999,995.25/1,500,148.70 = 325,920.17/x
  3. Step 3: Cross multiply
    999,995.25x = 1,500,148.70 × 325,920.17
  4. Step 4: Simplify right side
    999,995.25x = 488,928,719,329.28
  5. Step 5: Solve for x
    x = 488,928,719,329.28/999,995.25
  6. Step 6: Final answer
    x = 488,931.04

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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.