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Finding the Fourth Proportional to 650,670.39, 897,797.53 and 408,812.84

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Solution

The fourth proportional to 650,670.39, 897,797.53 and 408,812.84 is: 564,081.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,670.39 : 897,797.53 = 408,812.84 : x
  2. Step 2: Convert to fraction form
    650,670.39/897,797.53 = 408,812.84/x
  3. Step 3: Cross multiply
    650,670.39x = 897,797.53 × 408,812.84
  4. Step 4: Simplify right side
    650,670.39x = 367,031,157,984.29
  5. Step 5: Solve for x
    x = 367,031,157,984.29/650,670.39
  6. Step 6: Final answer
    x = 564,081.54

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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.