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Finding the Fourth Proportional to 606,701.80, 837,415.02 and 352,135

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Solution

The fourth proportional to 606,701.80, 837,415.02 and 352,135 is: 486,042.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,701.80 : 837,415.02 = 352,135 : x
  2. Step 2: Convert to fraction form
    606,701.80/837,415.02 = 352,135/x
  3. Step 3: Cross multiply
    606,701.80x = 837,415.02 × 352,135
  4. Step 4: Simplify right side
    606,701.80x = 294,883,138,067.70
  5. Step 5: Solve for x
    x = 294,883,138,067.70/606,701.80
  6. Step 6: Final answer
    x = 486,042.96

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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.