Home / 1,044.08-1,566.12-313.65

Finding the Fourth Proportional to 1,044.08, 1,566.12 and 313.65

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Solution

The fourth proportional to 1,044.08, 1,566.12 and 313.65 is: 470.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.08 : 1,566.12 = 313.65 : x
  2. Step 2: Convert to fraction form
    1,044.08/1,566.12 = 313.65/x
  3. Step 3: Cross multiply
    1,044.08x = 1,566.12 × 313.65
  4. Step 4: Simplify right side
    1,044.08x = 491,214.71
  5. Step 5: Solve for x
    x = 491,214.71/1,044.08
  6. Step 6: Final answer
    x = 470.48

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Double scale
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1.5x scale

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.