Home / 404,705.46-558,486.44-223,412.73

Finding the Fourth Proportional to 404,705.46, 558,486.44 and 223,412.73

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Solution

The fourth proportional to 404,705.46, 558,486.44 and 223,412.73 is: 308,305.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,705.46 : 558,486.44 = 223,412.73 : x
  2. Step 2: Convert to fraction form
    404,705.46/558,486.44 = 223,412.73/x
  3. Step 3: Cross multiply
    404,705.46x = 558,486.44 × 223,412.73
  4. Step 4: Simplify right side
    404,705.46x = 124,772,979,111.49
  5. Step 5: Solve for x
    x = 124,772,979,111.49/404,705.46
  6. Step 6: Final answer
    x = 308,305.65

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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.