Home / 485,110.05-664,603.17-466,928.56

Finding the Fourth Proportional to 485,110.05, 664,603.17 and 466,928.56

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Solution

The fourth proportional to 485,110.05, 664,603.17 and 466,928.56 is: 639,694.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,110.05 : 664,603.17 = 466,928.56 : x
  2. Step 2: Convert to fraction form
    485,110.05/664,603.17 = 466,928.56/x
  3. Step 3: Cross multiply
    485,110.05x = 664,603.17 × 466,928.56
  4. Step 4: Simplify right side
    485,110.05x = 310,322,200,219.31
  5. Step 5: Solve for x
    x = 310,322,200,219.31/485,110.05
  6. Step 6: Final answer
    x = 639,694.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.