Home / 571,221.86-788,281.27-313,113.13

Finding the Fourth Proportional to 571,221.86, 788,281.27 and 313,113.13

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Solution

The fourth proportional to 571,221.86, 788,281.27 and 313,113.13 is: 432,093.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,221.86 : 788,281.27 = 313,113.13 : x
  2. Step 2: Convert to fraction form
    571,221.86/788,281.27 = 313,113.13/x
  3. Step 3: Cross multiply
    571,221.86x = 788,281.27 × 313,113.13
  4. Step 4: Simplify right side
    571,221.86x = 246,821,213,016.59
  5. Step 5: Solve for x
    x = 246,821,213,016.59/571,221.86
  6. Step 6: Final answer
    x = 432,093.43

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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.