Home / 406,466.28-561,016.80-270,505.98

Finding the Fourth Proportional to 406,466.28, 561,016.80 and 270,505.98

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Solution

The fourth proportional to 406,466.28, 561,016.80 and 270,505.98 is: 373,360.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,466.28 : 561,016.80 = 270,505.98 : x
  2. Step 2: Convert to fraction form
    406,466.28/561,016.80 = 270,505.98/x
  3. Step 3: Cross multiply
    406,466.28x = 561,016.80 × 270,505.98
  4. Step 4: Simplify right side
    406,466.28x = 151,758,399,280.46
  5. Step 5: Solve for x
    x = 151,758,399,280.46/406,466.28
  6. Step 6: Final answer
    x = 373,360.37

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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.