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Finding the Fourth Proportional to 438,375.88, 605,376.53 and 414,493.50

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Solution

The fourth proportional to 438,375.88, 605,376.53 and 414,493.50 is: 572,396.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,375.88 : 605,376.53 = 414,493.50 : x
  2. Step 2: Convert to fraction form
    438,375.88/605,376.53 = 414,493.50/x
  3. Step 3: Cross multiply
    438,375.88x = 605,376.53 × 414,493.50
  4. Step 4: Simplify right side
    438,375.88x = 250,924,636,737.56
  5. Step 5: Solve for x
    x = 250,924,636,737.56/438,375.88
  6. Step 6: Final answer
    x = 572,396.08

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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.