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Finding the Fourth Proportional to 771,155.82, 1,064,184.03 and 426,958.74

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Solution

The fourth proportional to 771,155.82, 1,064,184.03 and 426,958.74 is: 589,196.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,155.82 : 1,064,184.03 = 426,958.74 : x
  2. Step 2: Convert to fraction form
    771,155.82/1,064,184.03 = 426,958.74/x
  3. Step 3: Cross multiply
    771,155.82x = 1,064,184.03 × 426,958.74
  4. Step 4: Simplify right side
    771,155.82x = 454,362,672,576.92
  5. Step 5: Solve for x
    x = 454,362,672,576.92/771,155.82
  6. Step 6: Final answer
    x = 589,196.97

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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.