Home / 999,953.22-1,500,220.32-360,244.78

Finding the Fourth Proportional to 999,953.22, 1,500,220.32 and 360,244.78

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Solution

The fourth proportional to 999,953.22, 1,500,220.32 and 360,244.78 is: 540,471.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,953.22 : 1,500,220.32 = 360,244.78 : x
  2. Step 2: Convert to fraction form
    999,953.22/1,500,220.32 = 360,244.78/x
  3. Step 3: Cross multiply
    999,953.22x = 1,500,220.32 × 360,244.78
  4. Step 4: Simplify right side
    999,953.22x = 540,446,544,493.58
  5. Step 5: Solve for x
    x = 540,446,544,493.58/999,953.22
  6. Step 6: Final answer
    x = 540,471.83

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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.