Home / 939,950.28-1,297,096.74-510,220.98

Finding the Fourth Proportional to 939,950.28, 1,297,096.74 and 510,220.98

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Solution

The fourth proportional to 939,950.28, 1,297,096.74 and 510,220.98 is: 704,086.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,950.28 : 1,297,096.74 = 510,220.98 : x
  2. Step 2: Convert to fraction form
    939,950.28/1,297,096.74 = 510,220.98/x
  3. Step 3: Cross multiply
    939,950.28x = 1,297,096.74 × 510,220.98
  4. Step 4: Simplify right side
    939,950.28x = 661,805,969,837.61
  5. Step 5: Solve for x
    x = 661,805,969,837.61/939,950.28
  6. Step 6: Final answer
    x = 704,086.15

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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.