Home / 673,282.13-929,129.33-371,476.13

Finding the Fourth Proportional to 673,282.13, 929,129.33 and 371,476.13

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Solution

The fourth proportional to 673,282.13, 929,129.33 and 371,476.13 is: 512,637.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,282.13 : 929,129.33 = 371,476.13 : x
  2. Step 2: Convert to fraction form
    673,282.13/929,129.33 = 371,476.13/x
  3. Step 3: Cross multiply
    673,282.13x = 929,129.33 × 371,476.13
  4. Step 4: Simplify right side
    673,282.13x = 345,149,364,060.94
  5. Step 5: Solve for x
    x = 345,149,364,060.94/673,282.13
  6. Step 6: Final answer
    x = 512,637.05

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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.