Home / 420,003.63-579,616.97-229,027.50

Finding the Fourth Proportional to 420,003.63, 579,616.97 and 229,027.50

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Solution

The fourth proportional to 420,003.63, 579,616.97 and 229,027.50 is: 316,064.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,003.63 : 579,616.97 = 229,027.50 : x
  2. Step 2: Convert to fraction form
    420,003.63/579,616.97 = 229,027.50/x
  3. Step 3: Cross multiply
    420,003.63x = 579,616.97 × 229,027.50
  4. Step 4: Simplify right side
    420,003.63x = 132,748,224,451.54
  5. Step 5: Solve for x
    x = 132,748,224,451.54/420,003.63
  6. Step 6: Final answer
    x = 316,064.47

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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.