Home / 726,818.99-1,090,142.63-194,381.29

Finding the Fourth Proportional to 726,818.99, 1,090,142.63 and 194,381.29

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Solution

The fourth proportional to 726,818.99, 1,090,142.63 and 194,381.29 is: 291,548.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,818.99 : 1,090,142.63 = 194,381.29 : x
  2. Step 2: Convert to fraction form
    726,818.99/1,090,142.63 = 194,381.29/x
  3. Step 3: Cross multiply
    726,818.99x = 1,090,142.63 × 194,381.29
  4. Step 4: Simplify right side
    726,818.99x = 211,903,330,703.39
  5. Step 5: Solve for x
    x = 211,903,330,703.39/726,818.99
  6. Step 6: Final answer
    x = 291,548.97

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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.