Home / 791,757.65-1,092,065.64-485,849.81

Finding the Fourth Proportional to 791,757.65, 1,092,065.64 and 485,849.81

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Solution

The fourth proportional to 791,757.65, 1,092,065.64 and 485,849.81 is: 670,129.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,757.65 : 1,092,065.64 = 485,849.81 : x
  2. Step 2: Convert to fraction form
    791,757.65/1,092,065.64 = 485,849.81/x
  3. Step 3: Cross multiply
    791,757.65x = 1,092,065.64 × 485,849.81
  4. Step 4: Simplify right side
    791,757.65x = 530,579,883,701.53
  5. Step 5: Solve for x
    x = 530,579,883,701.53/791,757.65
  6. Step 6: Final answer
    x = 670,129.15

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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.