Home / 988,556.82-1,364,267.24-558,876.93

Finding the Fourth Proportional to 988,556.82, 1,364,267.24 and 558,876.93

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Solution

The fourth proportional to 988,556.82, 1,364,267.24 and 558,876.93 is: 771,283.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,556.82 : 1,364,267.24 = 558,876.93 : x
  2. Step 2: Convert to fraction form
    988,556.82/1,364,267.24 = 558,876.93/x
  3. Step 3: Cross multiply
    988,556.82x = 1,364,267.24 × 558,876.93
  4. Step 4: Simplify right side
    988,556.82x = 762,457,486,790.77
  5. Step 5: Solve for x
    x = 762,457,486,790.77/988,556.82
  6. Step 6: Final answer
    x = 771,283.42

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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.