Home / 1,009.24-1,514.40-432.52

Finding the Fourth Proportional to 1,009.24, 1,514.40 and 432.52

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Solution

The fourth proportional to 1,009.24, 1,514.40 and 432.52 is: 649.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009.24 : 1,514.40 = 432.52 : x
  2. Step 2: Convert to fraction form
    1,009.24/1,514.40 = 432.52/x
  3. Step 3: Cross multiply
    1,009.24x = 1,514.40 × 432.52
  4. Step 4: Simplify right side
    1,009.24x = 655,008.29
  5. Step 5: Solve for x
    x = 655,008.29/1,009.24
  6. Step 6: Final answer
    x = 649.01

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Double scale
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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.