Home / 404,708.28-558,498.24-223,420.45

Finding the Fourth Proportional to 404,708.28, 558,498.24 and 223,420.45

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Solution

The fourth proportional to 404,708.28, 558,498.24 and 223,420.45 is: 308,320.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,708.28 : 558,498.24 = 223,420.45 : x
  2. Step 2: Convert to fraction form
    404,708.28/558,498.24 = 223,420.45/x
  3. Step 3: Cross multiply
    404,708.28x = 558,498.24 × 223,420.45
  4. Step 4: Simplify right side
    404,708.28x = 124,779,928,105.01
  5. Step 5: Solve for x
    x = 124,779,928,105.01/404,708.28
  6. Step 6: Final answer
    x = 308,320.67

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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.