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Finding the Fourth Proportional to 676,469.84, 933,477 and 374,657.36

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Solution

The fourth proportional to 676,469.84, 933,477 and 374,657.36 is: 516,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,469.84 : 933,477 = 374,657.36 : x
  2. Step 2: Convert to fraction form
    676,469.84/933,477 = 374,657.36/x
  3. Step 3: Cross multiply
    676,469.84x = 933,477 × 374,657.36
  4. Step 4: Simplify right side
    676,469.84x = 349,734,028,440.72
  5. Step 5: Solve for x
    x = 349,734,028,440.72/676,469.84
  6. Step 6: Final answer
    x = 516,998.70

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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.