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Finding the Fourth Proportional to 606,470.40, 910,033.65 and 251,520.30

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Solution

The fourth proportional to 606,470.40, 910,033.65 and 251,520.30 is: 377,416.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,470.40 : 910,033.65 = 251,520.30 : x
  2. Step 2: Convert to fraction form
    606,470.40/910,033.65 = 251,520.30/x
  3. Step 3: Cross multiply
    606,470.40x = 910,033.65 × 251,520.30
  4. Step 4: Simplify right side
    606,470.40x = 228,891,936,658.10
  5. Step 5: Solve for x
    x = 228,891,936,658.10/606,470.40
  6. Step 6: Final answer
    x = 377,416.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.