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Finding the Fourth Proportional to 611,298.84, 843,724.44 and 466,480.92

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Solution

The fourth proportional to 611,298.84, 843,724.44 and 466,480.92 is: 643,844.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,298.84 : 843,724.44 = 466,480.92 : x
  2. Step 2: Convert to fraction form
    611,298.84/843,724.44 = 466,480.92/x
  3. Step 3: Cross multiply
    611,298.84x = 843,724.44 × 466,480.92
  4. Step 4: Simplify right side
    611,298.84x = 393,581,352,997.69
  5. Step 5: Solve for x
    x = 393,581,352,997.69/611,298.84
  6. Step 6: Final answer
    x = 643,844.43

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Double scale
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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.