Home / 407,743.28-562,692.69-223,989.59

Finding the Fourth Proportional to 407,743.28, 562,692.69 and 223,989.59

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Solution

The fourth proportional to 407,743.28, 562,692.69 and 223,989.59 is: 309,109.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,743.28 : 562,692.69 = 223,989.59 : x
  2. Step 2: Convert to fraction form
    407,743.28/562,692.69 = 223,989.59/x
  3. Step 3: Cross multiply
    407,743.28x = 562,692.69 × 223,989.59
  4. Step 4: Simplify right side
    407,743.28x = 126,037,304,929.10
  5. Step 5: Solve for x
    x = 126,037,304,929.10/407,743.28
  6. Step 6: Final answer
    x = 309,109.46

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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.