Home / 803,661.73-1,205,538.76-291,438.38

Finding the Fourth Proportional to 803,661.73, 1,205,538.76 and 291,438.38

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Solution

The fourth proportional to 803,661.73, 1,205,538.76 and 291,438.38 is: 437,174.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,661.73 : 1,205,538.76 = 291,438.38 : x
  2. Step 2: Convert to fraction form
    803,661.73/1,205,538.76 = 291,438.38/x
  3. Step 3: Cross multiply
    803,661.73x = 1,205,538.76 × 291,438.38
  4. Step 4: Simplify right side
    803,661.73x = 351,340,263,241.61
  5. Step 5: Solve for x
    x = 351,340,263,241.61/803,661.73
  6. Step 6: Final answer
    x = 437,174.31

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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.