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Finding the Fourth Proportional to 672,698.38, 928,331.01 and 366,772.27

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Solution

The fourth proportional to 672,698.38, 928,331.01 and 366,772.27 is: 506,149.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,698.38 : 928,331.01 = 366,772.27 : x
  2. Step 2: Convert to fraction form
    672,698.38/928,331.01 = 366,772.27/x
  3. Step 3: Cross multiply
    672,698.38x = 928,331.01 × 366,772.27
  4. Step 4: Simplify right side
    672,698.38x = 340,486,067,207.44
  5. Step 5: Solve for x
    x = 340,486,067,207.44/672,698.38
  6. Step 6: Final answer
    x = 506,149.67

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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.