Home / 404,790.45-558,632.73-223,501.86

Finding the Fourth Proportional to 404,790.45, 558,632.73 and 223,501.86

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Solution

The fourth proportional to 404,790.45, 558,632.73 and 223,501.86 is: 308,444.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,790.45 : 558,632.73 = 223,501.86 : x
  2. Step 2: Convert to fraction form
    404,790.45/558,632.73 = 223,501.86/x
  3. Step 3: Cross multiply
    404,790.45x = 558,632.73 × 223,501.86
  4. Step 4: Simplify right side
    404,790.45x = 124,855,454,211.88
  5. Step 5: Solve for x
    x = 124,855,454,211.88/404,790.45
  6. Step 6: Final answer
    x = 308,444.66

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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.