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Finding the Fourth Proportional to 606,108.60, 909,422.10 and 381,641.40

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Solution

The fourth proportional to 606,108.60, 909,422.10 and 381,641.40 is: 572,625.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,108.60 : 909,422.10 = 381,641.40 : x
  2. Step 2: Convert to fraction form
    606,108.60/909,422.10 = 381,641.40/x
  3. Step 3: Cross multiply
    606,108.60x = 909,422.10 × 381,641.40
  4. Step 4: Simplify right side
    606,108.60x = 347,073,123,434.94
  5. Step 5: Solve for x
    x = 347,073,123,434.94/606,108.60
  6. Step 6: Final answer
    x = 572,625.31

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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.