Home / 790,238.70-1,090,529.51-427,662.65

Finding the Fourth Proportional to 790,238.70, 1,090,529.51 and 427,662.65

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Solution

The fourth proportional to 790,238.70, 1,090,529.51 and 427,662.65 is: 590,174.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,238.70 : 1,090,529.51 = 427,662.65 : x
  2. Step 2: Convert to fraction form
    790,238.70/1,090,529.51 = 427,662.65/x
  3. Step 3: Cross multiply
    790,238.70x = 1,090,529.51 × 427,662.65
  4. Step 4: Simplify right side
    790,238.70x = 466,378,740,737.81
  5. Step 5: Solve for x
    x = 466,378,740,737.81/790,238.70
  6. Step 6: Final answer
    x = 590,174.51

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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.