Home / 740,302.66-1,021,786.32-481,723.90

Finding the Fourth Proportional to 740,302.66, 1,021,786.32 and 481,723.90

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Solution

The fourth proportional to 740,302.66, 1,021,786.32 and 481,723.90 is: 664,888.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,302.66 : 1,021,786.32 = 481,723.90 : x
  2. Step 2: Convert to fraction form
    740,302.66/1,021,786.32 = 481,723.90/x
  3. Step 3: Cross multiply
    740,302.66x = 1,021,786.32 × 481,723.90
  4. Step 4: Simplify right side
    740,302.66x = 492,218,891,037.05
  5. Step 5: Solve for x
    x = 492,218,891,037.05/740,302.66
  6. Step 6: Final answer
    x = 664,888.72

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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.