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Finding the Fourth Proportional to 606,279.60, 907,657.11 and 352,787.40

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Solution

The fourth proportional to 606,279.60, 907,657.11 and 352,787.40 is: 528,155.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,279.60 : 907,657.11 = 352,787.40 : x
  2. Step 2: Convert to fraction form
    606,279.60/907,657.11 = 352,787.40/x
  3. Step 3: Cross multiply
    606,279.60x = 907,657.11 × 352,787.40
  4. Step 4: Simplify right side
    606,279.60x = 320,209,991,928.41
  5. Step 5: Solve for x
    x = 320,209,991,928.41/606,279.60
  6. Step 6: Final answer
    x = 528,155.64

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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.