Home / 571,156.93-787,943.37-329,381.65

Finding the Fourth Proportional to 571,156.93, 787,943.37 and 329,381.65

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Solution

The fourth proportional to 571,156.93, 787,943.37 and 329,381.65 is: 454,400.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,156.93 : 787,943.37 = 329,381.65 : x
  2. Step 2: Convert to fraction form
    571,156.93/787,943.37 = 329,381.65/x
  3. Step 3: Cross multiply
    571,156.93x = 787,943.37 × 329,381.65
  4. Step 4: Simplify right side
    571,156.93x = 259,534,087,317.16
  5. Step 5: Solve for x
    x = 259,534,087,317.16/571,156.93
  6. Step 6: Final answer
    x = 454,400.66

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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.