Home / 571,247.18-788,290.74-329,515.32

Finding the Fourth Proportional to 571,247.18, 788,290.74 and 329,515.32

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Solution

The fourth proportional to 571,247.18, 788,290.74 and 329,515.32 is: 454,713.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,247.18 : 788,290.74 = 329,515.32 : x
  2. Step 2: Convert to fraction form
    571,247.18/788,290.74 = 329,515.32/x
  3. Step 3: Cross multiply
    571,247.18x = 788,290.74 × 329,515.32
  4. Step 4: Simplify right side
    571,247.18x = 259,753,875,444.14
  5. Step 5: Solve for x
    x = 259,753,875,444.14/571,247.18
  6. Step 6: Final answer
    x = 454,713.63

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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.