Home / 771,102.60-1,156,703.04-238,578.96

Finding the Fourth Proportional to 771,102.60, 1,156,703.04 and 238,578.96

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Solution

The fourth proportional to 771,102.60, 1,156,703.04 and 238,578.96 is: 357,883.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,102.60 : 1,156,703.04 = 238,578.96 : x
  2. Step 2: Convert to fraction form
    771,102.60/1,156,703.04 = 238,578.96/x
  3. Step 3: Cross multiply
    771,102.60x = 1,156,703.04 × 238,578.96
  4. Step 4: Simplify right side
    771,102.60x = 275,965,008,312.04
  5. Step 5: Solve for x
    x = 275,965,008,312.04/771,102.60
  6. Step 6: Final answer
    x = 357,883.64

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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.