Home / 872,739.68-1,204,373.22-490,758.26

Finding the Fourth Proportional to 872,739.68, 1,204,373.22 and 490,758.26

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Solution

The fourth proportional to 872,739.68, 1,204,373.22 and 490,758.26 is: 677,242.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,739.68 : 1,204,373.22 = 490,758.26 : x
  2. Step 2: Convert to fraction form
    872,739.68/1,204,373.22 = 490,758.26/x
  3. Step 3: Cross multiply
    872,739.68x = 1,204,373.22 × 490,758.26
  4. Step 4: Simplify right side
    872,739.68x = 591,056,105,837.80
  5. Step 5: Solve for x
    x = 591,056,105,837.80/872,739.68
  6. Step 6: Final answer
    x = 677,242.16

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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.