Home / 988,021.63-1,363,452.10-558,292.47

Finding the Fourth Proportional to 988,021.63, 1,363,452.10 and 558,292.47

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Solution

The fourth proportional to 988,021.63, 1,363,452.10 and 558,292.47 is: 770,433.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,021.63 : 1,363,452.10 = 558,292.47 : x
  2. Step 2: Convert to fraction form
    988,021.63/1,363,452.10 = 558,292.47/x
  3. Step 3: Cross multiply
    988,021.63x = 1,363,452.10 × 558,292.47
  4. Step 4: Simplify right side
    988,021.63x = 761,205,040,635.69
  5. Step 5: Solve for x
    x = 761,205,040,635.69/988,021.63
  6. Step 6: Final answer
    x = 770,433.58

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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.