Home / 763,101.30-1,053,092.15-418,968.96

Finding the Fourth Proportional to 763,101.30, 1,053,092.15 and 418,968.96

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Solution

The fourth proportional to 763,101.30, 1,053,092.15 and 418,968.96 is: 578,183.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,101.30 : 1,053,092.15 = 418,968.96 : x
  2. Step 2: Convert to fraction form
    763,101.30/1,053,092.15 = 418,968.96/x
  3. Step 3: Cross multiply
    763,101.30x = 1,053,092.15 × 418,968.96
  4. Step 4: Simplify right side
    763,101.30x = 441,212,918,986.01
  5. Step 5: Solve for x
    x = 441,212,918,986.01/763,101.30
  6. Step 6: Final answer
    x = 578,183.94

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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.