Home / 877,930.82-1,316,866.38-372,166.42

Finding the Fourth Proportional to 877,930.82, 1,316,866.38 and 372,166.42

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Solution

The fourth proportional to 877,930.82, 1,316,866.38 and 372,166.42 is: 558,236.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,930.82 : 1,316,866.38 = 372,166.42 : x
  2. Step 2: Convert to fraction form
    877,930.82/1,316,866.38 = 372,166.42/x
  3. Step 3: Cross multiply
    877,930.82x = 1,316,866.38 × 372,166.42
  4. Step 4: Simplify right side
    877,930.82x = 490,093,446,262.96
  5. Step 5: Solve for x
    x = 490,093,446,262.96/877,930.82
  6. Step 6: Final answer
    x = 558,236.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.