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Finding the Fourth Proportional to 650,112.84, 897,348.26 and 378,303.56

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Solution

The fourth proportional to 650,112.84, 897,348.26 and 378,303.56 is: 522,170.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,112.84 : 897,348.26 = 378,303.56 : x
  2. Step 2: Convert to fraction form
    650,112.84/897,348.26 = 378,303.56/x
  3. Step 3: Cross multiply
    650,112.84x = 897,348.26 × 378,303.56
  4. Step 4: Simplify right side
    650,112.84x = 339,470,041,317.81
  5. Step 5: Solve for x
    x = 339,470,041,317.81/650,112.84
  6. Step 6: Final answer
    x = 522,170.95

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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.