Home / 736,665.18-1,105,588.26-381,780.66

Finding the Fourth Proportional to 736,665.18, 1,105,588.26 and 381,780.66

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Solution

The fourth proportional to 736,665.18, 1,105,588.26 and 381,780.66 is: 572,977.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,665.18 : 1,105,588.26 = 381,780.66 : x
  2. Step 2: Convert to fraction form
    736,665.18/1,105,588.26 = 381,780.66/x
  3. Step 3: Cross multiply
    736,665.18x = 1,105,588.26 × 381,780.66
  4. Step 4: Simplify right side
    736,665.18x = 422,092,215,591.05
  5. Step 5: Solve for x
    x = 422,092,215,591.05/736,665.18
  6. Step 6: Final answer
    x = 572,977.01

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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.