Home / 667,668.18-1,000,361.22-477,155.19

Finding the Fourth Proportional to 667,668.18, 1,000,361.22 and 477,155.19

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Solution

The fourth proportional to 667,668.18, 1,000,361.22 and 477,155.19 is: 714,917.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,668.18 : 1,000,361.22 = 477,155.19 : x
  2. Step 2: Convert to fraction form
    667,668.18/1,000,361.22 = 477,155.19/x
  3. Step 3: Cross multiply
    667,668.18x = 1,000,361.22 × 477,155.19
  4. Step 4: Simplify right side
    667,668.18x = 477,327,547,997.73
  5. Step 5: Solve for x
    x = 477,327,547,997.73/667,668.18
  6. Step 6: Final answer
    x = 714,917.32

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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.