Home / 404,710.32-558,485.57-223,418.35

Finding the Fourth Proportional to 404,710.32, 558,485.57 and 223,418.35

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Solution

The fourth proportional to 404,710.32, 558,485.57 and 223,418.35 is: 308,309.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,710.32 : 558,485.57 = 223,418.35 : x
  2. Step 2: Convert to fraction form
    404,710.32/558,485.57 = 223,418.35/x
  3. Step 3: Cross multiply
    404,710.32x = 558,485.57 × 223,418.35
  4. Step 4: Simplify right side
    404,710.32x = 124,775,923,710.54
  5. Step 5: Solve for x
    x = 124,775,923,710.54/404,710.32
  6. Step 6: Final answer
    x = 308,309.22

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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.