Home / 756,969.93-1,135,430.19-307,557.90

Finding the Fourth Proportional to 756,969.93, 1,135,430.19 and 307,557.90

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Solution

The fourth proportional to 756,969.93, 1,135,430.19 and 307,557.90 is: 461,326.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,969.93 : 1,135,430.19 = 307,557.90 : x
  2. Step 2: Convert to fraction form
    756,969.93/1,135,430.19 = 307,557.90/x
  3. Step 3: Cross multiply
    756,969.93x = 1,135,430.19 × 307,557.90
  4. Step 4: Simplify right side
    756,969.93x = 349,210,524,833.00
  5. Step 5: Solve for x
    x = 349,210,524,833.00/756,969.93
  6. Step 6: Final answer
    x = 461,326.81

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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.