Home / 999,880.20-1,500,057.90-325,965.96

Finding the Fourth Proportional to 999,880.20, 1,500,057.90 and 325,965.96

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Solution

The fourth proportional to 999,880.20, 1,500,057.90 and 325,965.96 is: 489,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,880.20 : 1,500,057.90 = 325,965.96 : x
  2. Step 2: Convert to fraction form
    999,880.20/1,500,057.90 = 325,965.96/x
  3. Step 3: Cross multiply
    999,880.20x = 1,500,057.90 × 325,965.96
  4. Step 4: Simplify right side
    999,880.20x = 488,967,813,429.08
  5. Step 5: Solve for x
    x = 488,967,813,429.08/999,880.20
  6. Step 6: Final answer
    x = 489,026.40

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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.