Home / 790,731.53-1,091,189.43-441,874.92

Finding the Fourth Proportional to 790,731.53, 1,091,189.43 and 441,874.92

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Solution

The fourth proportional to 790,731.53, 1,091,189.43 and 441,874.92 is: 609,776.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,731.53 : 1,091,189.43 = 441,874.92 : x
  2. Step 2: Convert to fraction form
    790,731.53/1,091,189.43 = 441,874.92/x
  3. Step 3: Cross multiply
    790,731.53x = 1,091,189.43 × 441,874.92
  4. Step 4: Simplify right side
    790,731.53x = 482,169,242,086.10
  5. Step 5: Solve for x
    x = 482,169,242,086.10/790,731.53
  6. Step 6: Final answer
    x = 609,776.17

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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.