Home / 709,067.16-1,063,600.20-210,431.16

Finding the Fourth Proportional to 709,067.16, 1,063,600.20 and 210,431.16

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Solution

The fourth proportional to 709,067.16, 1,063,600.20 and 210,431.16 is: 315,646.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,067.16 : 1,063,600.20 = 210,431.16 : x
  2. Step 2: Convert to fraction form
    709,067.16/1,063,600.20 = 210,431.16/x
  3. Step 3: Cross multiply
    709,067.16x = 1,063,600.20 × 210,431.16
  4. Step 4: Simplify right side
    709,067.16x = 223,814,623,862.23
  5. Step 5: Solve for x
    x = 223,814,623,862.23/709,067.16
  6. Step 6: Final answer
    x = 315,646.58

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Half scale
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Double scale
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Similar ratio
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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.