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Finding the Fourth Proportional to 605,756.58, 835,377.09 and 478,735.62

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Solution

The fourth proportional to 605,756.58, 835,377.09 and 478,735.62 is: 660,207.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,756.58 : 835,377.09 = 478,735.62 : x
  2. Step 2: Convert to fraction form
    605,756.58/835,377.09 = 478,735.62/x
  3. Step 3: Cross multiply
    605,756.58x = 835,377.09 × 478,735.62
  4. Step 4: Simplify right side
    605,756.58x = 399,924,769,114.95
  5. Step 5: Solve for x
    x = 399,924,769,114.95/605,756.58
  6. Step 6: Final answer
    x = 660,207.06

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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.