Home / 762,622.89-1,052,439.12-418,473.60

Finding the Fourth Proportional to 762,622.89, 1,052,439.12 and 418,473.60

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Solution

The fourth proportional to 762,622.89, 1,052,439.12 and 418,473.60 is: 577,504.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,622.89 : 1,052,439.12 = 418,473.60 : x
  2. Step 2: Convert to fraction form
    762,622.89/1,052,439.12 = 418,473.60/x
  3. Step 3: Cross multiply
    762,622.89x = 1,052,439.12 × 418,473.60
  4. Step 4: Simplify right side
    762,622.89x = 440,417,987,327.23
  5. Step 5: Solve for x
    x = 440,417,987,327.23/762,622.89
  6. Step 6: Final answer
    x = 577,504.29

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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.