Home / 988,043.22-1,363,481.72-558,314.10

Finding the Fourth Proportional to 988,043.22, 1,363,481.72 and 558,314.10

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Solution

The fourth proportional to 988,043.22, 1,363,481.72 and 558,314.10 is: 770,463.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,043.22 : 1,363,481.72 = 558,314.10 : x
  2. Step 2: Convert to fraction form
    988,043.22/1,363,481.72 = 558,314.10/x
  3. Step 3: Cross multiply
    988,043.22x = 1,363,481.72 × 558,314.10
  4. Step 4: Simplify right side
    988,043.22x = 761,251,069,368.25
  5. Step 5: Solve for x
    x = 761,251,069,368.25/988,043.22
  6. Step 6: Final answer
    x = 770,463.33

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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.