Home / 406,986.04-561,674.40-225,756.52

Finding the Fourth Proportional to 406,986.04, 561,674.40 and 225,756.52

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Solution

The fourth proportional to 406,986.04, 561,674.40 and 225,756.52 is: 311,562.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,986.04 : 561,674.40 = 225,756.52 : x
  2. Step 2: Convert to fraction form
    406,986.04/561,674.40 = 225,756.52/x
  3. Step 3: Cross multiply
    406,986.04x = 561,674.40 × 225,756.52
  4. Step 4: Simplify right side
    406,986.04x = 126,801,657,917.09
  5. Step 5: Solve for x
    x = 126,801,657,917.09/406,986.04
  6. Step 6: Final answer
    x = 311,562.67

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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.