Home / 788,175.75-1,087,683.80-448,644.03

Finding the Fourth Proportional to 788,175.75, 1,087,683.80 and 448,644.03

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Solution

The fourth proportional to 788,175.75, 1,087,683.80 and 448,644.03 is: 619,129.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,175.75 : 1,087,683.80 = 448,644.03 : x
  2. Step 2: Convert to fraction form
    788,175.75/1,087,683.80 = 448,644.03/x
  3. Step 3: Cross multiply
    788,175.75x = 1,087,683.80 × 448,644.03
  4. Step 4: Simplify right side
    788,175.75x = 487,982,841,154.49
  5. Step 5: Solve for x
    x = 487,982,841,154.49/788,175.75
  6. Step 6: Final answer
    x = 619,129.48

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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.