Home / 791,474.57-1,092,254.86-485,719.82

Finding the Fourth Proportional to 791,474.57, 1,092,254.86 and 485,719.82

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Solution

The fourth proportional to 791,474.57, 1,092,254.86 and 485,719.82 is: 670,305.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,474.57 : 1,092,254.86 = 485,719.82 : x
  2. Step 2: Convert to fraction form
    791,474.57/1,092,254.86 = 485,719.82/x
  3. Step 3: Cross multiply
    791,474.57x = 1,092,254.86 × 485,719.82
  4. Step 4: Simplify right side
    791,474.57x = 530,529,827,317.75
  5. Step 5: Solve for x
    x = 530,529,827,317.75/791,474.57
  6. Step 6: Final answer
    x = 670,305.59

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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.