Home / 404,708.20-558,494.26-223,420.20

Finding the Fourth Proportional to 404,708.20, 558,494.26 and 223,420.20

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Solution

The fourth proportional to 404,708.20, 558,494.26 and 223,420.20 is: 308,318.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,708.20 : 558,494.26 = 223,420.20 : x
  2. Step 2: Convert to fraction form
    404,708.20/558,494.26 = 223,420.20/x
  3. Step 3: Cross multiply
    404,708.20x = 558,494.26 × 223,420.20
  4. Step 4: Simplify right side
    404,708.20x = 124,778,899,268.05
  5. Step 5: Solve for x
    x = 124,778,899,268.05/404,708.20
  6. Step 6: Final answer
    x = 308,318.19

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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.