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Finding the Fourth Proportional to 660,944.04, 912,185.44 and 374,556.38

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Solution

The fourth proportional to 660,944.04, 912,185.44 and 374,556.38 is: 516,934.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,944.04 : 912,185.44 = 374,556.38 : x
  2. Step 2: Convert to fraction form
    660,944.04/912,185.44 = 374,556.38/x
  3. Step 3: Cross multiply
    660,944.04x = 912,185.44 × 374,556.38
  4. Step 4: Simplify right side
    660,944.04x = 341,664,876,295.11
  5. Step 5: Solve for x
    x = 341,664,876,295.11/660,944.04
  6. Step 6: Final answer
    x = 516,934.65

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.