Home / 707,778.19-1,062,123.82-258,461.47

Finding the Fourth Proportional to 707,778.19, 1,062,123.82 and 258,461.47

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Solution

The fourth proportional to 707,778.19, 1,062,123.82 and 258,461.47 is: 387,858.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,778.19 : 1,062,123.82 = 258,461.47 : x
  2. Step 2: Convert to fraction form
    707,778.19/1,062,123.82 = 258,461.47/x
  3. Step 3: Cross multiply
    707,778.19x = 1,062,123.82 × 258,461.47
  4. Step 4: Simplify right side
    707,778.19x = 274,518,083,839.22
  5. Step 5: Solve for x
    x = 274,518,083,839.22/707,778.19
  6. Step 6: Final answer
    x = 387,858.92

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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.