Home / 958,354.65-1,322,954.51-618,988.41

Finding the Fourth Proportional to 958,354.65, 1,322,954.51 and 618,988.41

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Solution

The fourth proportional to 958,354.65, 1,322,954.51 and 618,988.41 is: 854,478.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,354.65 : 1,322,954.51 = 618,988.41 : x
  2. Step 2: Convert to fraction form
    958,354.65/1,322,954.51 = 618,988.41/x
  3. Step 3: Cross multiply
    958,354.65x = 1,322,954.51 × 618,988.41
  4. Step 4: Simplify right side
    958,354.65x = 818,893,505,552.29
  5. Step 5: Solve for x
    x = 818,893,505,552.29/958,354.65
  6. Step 6: Final answer
    x = 854,478.56

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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.