Home / 571,236.36-788,301.25-313,127.65

Finding the Fourth Proportional to 571,236.36, 788,301.25 and 313,127.65

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Solution

The fourth proportional to 571,236.36, 788,301.25 and 313,127.65 is: 432,113.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,236.36 : 788,301.25 = 313,127.65 : x
  2. Step 2: Convert to fraction form
    571,236.36/788,301.25 = 313,127.65/x
  3. Step 3: Cross multiply
    571,236.36x = 788,301.25 × 313,127.65
  4. Step 4: Simplify right side
    571,236.36x = 246,838,917,904.56
  5. Step 5: Solve for x
    x = 246,838,917,904.56/571,236.36
  6. Step 6: Final answer
    x = 432,113.46

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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.