Home / 741,790.81-1,111,111.44-502,051.87

Finding the Fourth Proportional to 741,790.81, 1,111,111.44 and 502,051.87

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Solution

The fourth proportional to 741,790.81, 1,111,111.44 and 502,051.87 is: 752,011.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,790.81 : 1,111,111.44 = 502,051.87 : x
  2. Step 2: Convert to fraction form
    741,790.81/1,111,111.44 = 502,051.87/x
  3. Step 3: Cross multiply
    741,790.81x = 1,111,111.44 × 502,051.87
  4. Step 4: Simplify right side
    741,790.81x = 557,835,576,230.39
  5. Step 5: Solve for x
    x = 557,835,576,230.39/741,790.81
  6. Step 6: Final answer
    x = 752,011.98

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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.