Home / 670,689.36-1,008,066.48-443,759.04

Finding the Fourth Proportional to 670,689.36, 1,008,066.48 and 443,759.04

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Solution

The fourth proportional to 670,689.36, 1,008,066.48 and 443,759.04 is: 666,983.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,689.36 : 1,008,066.48 = 443,759.04 : x
  2. Step 2: Convert to fraction form
    670,689.36/1,008,066.48 = 443,759.04/x
  3. Step 3: Cross multiply
    670,689.36x = 1,008,066.48 × 443,759.04
  4. Step 4: Simplify right side
    670,689.36x = 447,338,613,420.98
  5. Step 5: Solve for x
    x = 447,338,613,420.98/670,689.36
  6. Step 6: Final answer
    x = 666,983.32

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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.