Home / 737,285.58-1,105,950.24-287,988.30

Finding the Fourth Proportional to 737,285.58, 1,105,950.24 and 287,988.30

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Solution

The fourth proportional to 737,285.58, 1,105,950.24 and 287,988.30 is: 431,990.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,285.58 : 1,105,950.24 = 287,988.30 : x
  2. Step 2: Convert to fraction form
    737,285.58/1,105,950.24 = 287,988.30/x
  3. Step 3: Cross multiply
    737,285.58x = 1,105,950.24 × 287,988.30
  4. Step 4: Simplify right side
    737,285.58x = 318,500,729,502.19
  5. Step 5: Solve for x
    x = 318,500,729,502.19/737,285.58
  6. Step 6: Final answer
    x = 431,990.99

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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.