Home / 726,816.99-1,090,139.63-194,379.29

Finding the Fourth Proportional to 726,816.99, 1,090,139.63 and 194,379.29

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Solution

The fourth proportional to 726,816.99, 1,090,139.63 and 194,379.29 is: 291,545.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,816.99 : 1,090,139.63 = 194,379.29 : x
  2. Step 2: Convert to fraction form
    726,816.99/1,090,139.63 = 194,379.29/x
  3. Step 3: Cross multiply
    726,816.99x = 1,090,139.63 × 194,379.29
  4. Step 4: Simplify right side
    726,816.99x = 211,900,567,280.26
  5. Step 5: Solve for x
    x = 211,900,567,280.26/726,816.99
  6. Step 6: Final answer
    x = 291,545.97

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Double scale
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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.