Home / 772,956.70-1,159,921.45-329,718.30

Finding the Fourth Proportional to 772,956.70, 1,159,921.45 and 329,718.30

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Solution

The fourth proportional to 772,956.70, 1,159,921.45 and 329,718.30 is: 494,784.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,956.70 : 1,159,921.45 = 329,718.30 : x
  2. Step 2: Convert to fraction form
    772,956.70/1,159,921.45 = 329,718.30/x
  3. Step 3: Cross multiply
    772,956.70x = 1,159,921.45 × 329,718.30
  4. Step 4: Simplify right side
    772,956.70x = 382,447,328,627.54
  5. Step 5: Solve for x
    x = 382,447,328,627.54/772,956.70
  6. Step 6: Final answer
    x = 494,784.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.