Home / 988,570.47-1,363,982.69-558,841.38

Finding the Fourth Proportional to 988,570.47, 1,363,982.69 and 558,841.38

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Solution

The fourth proportional to 988,570.47, 1,363,982.69 and 558,841.38 is: 771,062.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,570.47 : 1,363,982.69 = 558,841.38 : x
  2. Step 2: Convert to fraction form
    988,570.47/1,363,982.69 = 558,841.38/x
  3. Step 3: Cross multiply
    988,570.47x = 1,363,982.69 × 558,841.38
  4. Step 4: Simplify right side
    988,570.47x = 762,249,965,057.88
  5. Step 5: Solve for x
    x = 762,249,965,057.88/988,570.47
  6. Step 6: Final answer
    x = 771,062.85

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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.