Home / 571,340.29-788,449.49-313,219.07

Finding the Fourth Proportional to 571,340.29, 788,449.49 and 313,219.07

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Solution

The fourth proportional to 571,340.29, 788,449.49 and 313,219.07 is: 432,242.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,340.29 : 788,449.49 = 313,219.07 : x
  2. Step 2: Convert to fraction form
    571,340.29/788,449.49 = 313,219.07/x
  3. Step 3: Cross multiply
    571,340.29x = 788,449.49 × 313,219.07
  4. Step 4: Simplify right side
    571,340.29x = 246,957,414,892.29
  5. Step 5: Solve for x
    x = 246,957,414,892.29/571,340.29
  6. Step 6: Final answer
    x = 432,242.25

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1.5x scale

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.