Home / 791,369.60-1,092,110.34-485,614.92

Finding the Fourth Proportional to 791,369.60, 1,092,110.34 and 485,614.92

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Solution

The fourth proportional to 791,369.60, 1,092,110.34 and 485,614.92 is: 670,161.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,369.60 : 1,092,110.34 = 485,614.92 : x
  2. Step 2: Convert to fraction form
    791,369.60/1,092,110.34 = 485,614.92/x
  3. Step 3: Cross multiply
    791,369.60x = 1,092,110.34 × 485,614.92
  4. Step 4: Simplify right side
    791,369.60x = 530,345,078,235.18
  5. Step 5: Solve for x
    x = 530,345,078,235.18/791,369.60
  6. Step 6: Final answer
    x = 670,161.05

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1.5x scale

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.