Home / 791,471.12-1,184,368.77-685,220.51

Finding the Fourth Proportional to 791,471.12, 1,184,368.77 and 685,220.51

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Solution

The fourth proportional to 791,471.12, 1,184,368.77 and 685,220.51 is: 1,025,373.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,471.12 : 1,184,368.77 = 685,220.51 : x
  2. Step 2: Convert to fraction form
    791,471.12/1,184,368.77 = 685,220.51/x
  3. Step 3: Cross multiply
    791,471.12x = 1,184,368.77 × 685,220.51
  4. Step 4: Simplify right side
    791,471.12x = 811,553,766,685.63
  5. Step 5: Solve for x
    x = 811,553,766,685.63/791,471.12
  6. Step 6: Final answer
    x = 1,025,373.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.