Home / 776,670.51-1,165,424.29-327,702.55

Finding the Fourth Proportional to 776,670.51, 1,165,424.29 and 327,702.55

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Solution

The fourth proportional to 776,670.51, 1,165,424.29 and 327,702.55 is: 491,730.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,670.51 : 1,165,424.29 = 327,702.55 : x
  2. Step 2: Convert to fraction form
    776,670.51/1,165,424.29 = 327,702.55/x
  3. Step 3: Cross multiply
    776,670.51x = 1,165,424.29 × 327,702.55
  4. Step 4: Simplify right side
    776,670.51x = 381,912,510,026.43
  5. Step 5: Solve for x
    x = 381,912,510,026.43/776,670.51
  6. Step 6: Final answer
    x = 491,730.41

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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.