Home / 406,708.80-561,291.73-225,477.57

Finding the Fourth Proportional to 406,708.80, 561,291.73 and 225,477.57

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Solution

The fourth proportional to 406,708.80, 561,291.73 and 225,477.57 is: 311,177.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,708.80 : 561,291.73 = 225,477.57 : x
  2. Step 2: Convert to fraction form
    406,708.80/561,291.73 = 225,477.57/x
  3. Step 3: Cross multiply
    406,708.80x = 561,291.73 × 225,477.57
  4. Step 4: Simplify right side
    406,708.80x = 126,558,696,882.65
  5. Step 5: Solve for x
    x = 126,558,696,882.65/406,708.80
  6. Step 6: Final answer
    x = 311,177.67

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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.