Home / 758,576.34-1,138,030.80-285,261.54

Finding the Fourth Proportional to 758,576.34, 1,138,030.80 and 285,261.54

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Solution

The fourth proportional to 758,576.34, 1,138,030.80 and 285,261.54 is: 427,954.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,576.34 : 1,138,030.80 = 285,261.54 : x
  2. Step 2: Convert to fraction form
    758,576.34/1,138,030.80 = 285,261.54/x
  3. Step 3: Cross multiply
    758,576.34x = 1,138,030.80 × 285,261.54
  4. Step 4: Simplify right side
    758,576.34x = 324,636,418,575.43
  5. Step 5: Solve for x
    x = 324,636,418,575.43/758,576.34
  6. Step 6: Final answer
    x = 427,954.84

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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.