Home / 492,723.80-739,085.70-413,007.65

Finding the Fourth Proportional to 492,723.80, 739,085.70 and 413,007.65

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Solution

The fourth proportional to 492,723.80, 739,085.70 and 413,007.65 is: 619,511.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,723.80 : 739,085.70 = 413,007.65 : x
  2. Step 2: Convert to fraction form
    492,723.80/739,085.70 = 413,007.65/x
  3. Step 3: Cross multiply
    492,723.80x = 739,085.70 × 413,007.65
  4. Step 4: Simplify right side
    492,723.80x = 305,248,048,105.61
  5. Step 5: Solve for x
    x = 305,248,048,105.61/492,723.80
  6. Step 6: Final answer
    x = 619,511.48

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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.