Home / 988,294.04-1,363,992.06-625,751.54

Finding the Fourth Proportional to 988,294.04, 1,363,992.06 and 625,751.54

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Solution

The fourth proportional to 988,294.04, 1,363,992.06 and 625,751.54 is: 863,629.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,294.04 : 1,363,992.06 = 625,751.54 : x
  2. Step 2: Convert to fraction form
    988,294.04/1,363,992.06 = 625,751.54/x
  3. Step 3: Cross multiply
    988,294.04x = 1,363,992.06 × 625,751.54
  4. Step 4: Simplify right side
    988,294.04x = 853,520,132,092.77
  5. Step 5: Solve for x
    x = 853,520,132,092.77/988,294.04
  6. Step 6: Final answer
    x = 863,629.75

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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.