Home / 1,045.27-1,567.35-314.65

Finding the Fourth Proportional to 1,045.27, 1,567.35 and 314.65

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Solution

The fourth proportional to 1,045.27, 1,567.35 and 314.65 is: 471.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.27 : 1,567.35 = 314.65 : x
  2. Step 2: Convert to fraction form
    1,045.27/1,567.35 = 314.65/x
  3. Step 3: Cross multiply
    1,045.27x = 1,567.35 × 314.65
  4. Step 4: Simplify right side
    1,045.27x = 493,166.68
  5. Step 5: Solve for x
    x = 493,166.68/1,045.27
  6. Step 6: Final answer
    x = 471.81

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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.