Home / 628,205.24-939,930.01-372,175.29

Finding the Fourth Proportional to 628,205.24, 939,930.01 and 372,175.29

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Solution

The fourth proportional to 628,205.24, 939,930.01 and 372,175.29 is: 556,854.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,205.24 : 939,930.01 = 372,175.29 : x
  2. Step 2: Convert to fraction form
    628,205.24/939,930.01 = 372,175.29/x
  3. Step 3: Cross multiply
    628,205.24x = 939,930.01 × 372,175.29
  4. Step 4: Simplify right side
    628,205.24x = 349,818,723,121.02
  5. Step 5: Solve for x
    x = 349,818,723,121.02/628,205.24
  6. Step 6: Final answer
    x = 556,854.19

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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.