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Finding the Fourth Proportional to 660,546.73, 911,610.71 and 374,117.77

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Solution

The fourth proportional to 660,546.73, 911,610.71 and 374,117.77 is: 516,314.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,546.73 : 911,610.71 = 374,117.77 : x
  2. Step 2: Convert to fraction form
    660,546.73/911,610.71 = 374,117.77/x
  3. Step 3: Cross multiply
    660,546.73x = 911,610.71 × 374,117.77
  4. Step 4: Simplify right side
    660,546.73x = 341,049,764,062.73
  5. Step 5: Solve for x
    x = 341,049,764,062.73/660,546.73
  6. Step 6: Final answer
    x = 516,314.36

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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.