Home / 762,848.42-1,052,744.18-418,716.54

Finding the Fourth Proportional to 762,848.42, 1,052,744.18 and 418,716.54

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Solution

The fourth proportional to 762,848.42, 1,052,744.18 and 418,716.54 is: 577,836.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,848.42 : 1,052,744.18 = 418,716.54 : x
  2. Step 2: Convert to fraction form
    762,848.42/1,052,744.18 = 418,716.54/x
  3. Step 3: Cross multiply
    762,848.42x = 1,052,744.18 × 418,716.54
  4. Step 4: Simplify right side
    762,848.42x = 440,801,398,461.16
  5. Step 5: Solve for x
    x = 440,801,398,461.16/762,848.42
  6. Step 6: Final answer
    x = 577,836.16

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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.