Home / 571,127.46-788,156.05-313,014.66

Finding the Fourth Proportional to 571,127.46, 788,156.05 and 313,014.66

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Solution

The fourth proportional to 571,127.46, 788,156.05 and 313,014.66 is: 431,960.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,127.46 : 788,156.05 = 313,014.66 : x
  2. Step 2: Convert to fraction form
    571,127.46/788,156.05 = 313,014.66/x
  3. Step 3: Cross multiply
    571,127.46x = 788,156.05 × 313,014.66
  4. Step 4: Simplify right side
    571,127.46x = 246,704,398,419.50
  5. Step 5: Solve for x
    x = 246,704,398,419.50/571,127.46
  6. Step 6: Final answer
    x = 431,960.31

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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.