Home / 939,961.28-1,297,111.92-510,231.98

Finding the Fourth Proportional to 939,961.28, 1,297,111.92 and 510,231.98

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Solution

The fourth proportional to 939,961.28, 1,297,111.92 and 510,231.98 is: 704,101.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,961.28 : 1,297,111.92 = 510,231.98 : x
  2. Step 2: Convert to fraction form
    939,961.28/1,297,111.92 = 510,231.98/x
  3. Step 3: Cross multiply
    939,961.28x = 1,297,111.92 × 510,231.98
  4. Step 4: Simplify right side
    939,961.28x = 661,827,983,223.20
  5. Step 5: Solve for x
    x = 661,827,983,223.20/939,961.28
  6. Step 6: Final answer
    x = 704,101.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.