Home / 999,074.70-1,498,217.55-399,924.18

Finding the Fourth Proportional to 999,074.70, 1,498,217.55 and 399,924.18

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Solution

The fourth proportional to 999,074.70, 1,498,217.55 and 399,924.18 is: 599,728.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,074.70 : 1,498,217.55 = 399,924.18 : x
  2. Step 2: Convert to fraction form
    999,074.70/1,498,217.55 = 399,924.18/x
  3. Step 3: Cross multiply
    999,074.70x = 1,498,217.55 × 399,924.18
  4. Step 4: Simplify right side
    999,074.70x = 599,173,425,145.36
  5. Step 5: Solve for x
    x = 599,173,425,145.36/999,074.70
  6. Step 6: Final answer
    x = 599,728.35

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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.