Home / 740,301.66-1,021,784.94-481,722.90

Finding the Fourth Proportional to 740,301.66, 1,021,784.94 and 481,722.90

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Solution

The fourth proportional to 740,301.66, 1,021,784.94 and 481,722.90 is: 664,887.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,301.66 : 1,021,784.94 = 481,722.90 : x
  2. Step 2: Convert to fraction form
    740,301.66/1,021,784.94 = 481,722.90/x
  3. Step 3: Cross multiply
    740,301.66x = 1,021,784.94 × 481,722.90
  4. Step 4: Simplify right side
    740,301.66x = 492,217,204,473.13
  5. Step 5: Solve for x
    x = 492,217,204,473.13/740,301.66
  6. Step 6: Final answer
    x = 664,887.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.