Home / 1,044.55-1,566.45-427.93

Finding the Fourth Proportional to 1,044.55, 1,566.45 and 427.93

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Solution

The fourth proportional to 1,044.55, 1,566.45 and 427.93 is: 641.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.55 : 1,566.45 = 427.93 : x
  2. Step 2: Convert to fraction form
    1,044.55/1,566.45 = 427.93/x
  3. Step 3: Cross multiply
    1,044.55x = 1,566.45 × 427.93
  4. Step 4: Simplify right side
    1,044.55x = 670,330.95
  5. Step 5: Solve for x
    x = 670,330.95/1,044.55
  6. Step 6: Final answer
    x = 641.74

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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.