Home / 673,293.46-929,481.68-418,726.66

Finding the Fourth Proportional to 673,293.46, 929,481.68 and 418,726.66

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Solution

The fourth proportional to 673,293.46, 929,481.68 and 418,726.66 is: 578,052.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,293.46 : 929,481.68 = 418,726.66 : x
  2. Step 2: Convert to fraction form
    673,293.46/929,481.68 = 418,726.66/x
  3. Step 3: Cross multiply
    673,293.46x = 929,481.68 × 418,726.66
  4. Step 4: Simplify right side
    673,293.46x = 389,198,759,397.59
  5. Step 5: Solve for x
    x = 389,198,759,397.59/673,293.46
  6. Step 6: Final answer
    x = 578,052.19

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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.