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Finding the Fourth Proportional to 611,955.29, 844,226.60 and 407,807.34

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Solution

The fourth proportional to 611,955.29, 844,226.60 and 407,807.34 is: 562,593.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,955.29 : 844,226.60 = 407,807.34 : x
  2. Step 2: Convert to fraction form
    611,955.29/844,226.60 = 407,807.34/x
  3. Step 3: Cross multiply
    611,955.29x = 844,226.60 × 407,807.34
  4. Step 4: Simplify right side
    611,955.29x = 344,281,802,064.21
  5. Step 5: Solve for x
    x = 344,281,802,064.21/611,955.29
  6. Step 6: Final answer
    x = 562,593.07

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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.