Home / 751,790.13-1,127,628.48-239,434.57

Finding the Fourth Proportional to 751,790.13, 1,127,628.48 and 239,434.57

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Solution

The fourth proportional to 751,790.13, 1,127,628.48 and 239,434.57 is: 359,133.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,790.13 : 1,127,628.48 = 239,434.57 : x
  2. Step 2: Convert to fraction form
    751,790.13/1,127,628.48 = 239,434.57/x
  3. Step 3: Cross multiply
    751,790.13x = 1,127,628.48 × 239,434.57
  4. Step 4: Simplify right side
    751,790.13x = 269,993,238,307.36
  5. Step 5: Solve for x
    x = 269,993,238,307.36/751,790.13
  6. Step 6: Final answer
    x = 359,133.79

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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.