Home / 406,453.22-610,782.90-217,045.34

Finding the Fourth Proportional to 406,453.22, 610,782.90 and 217,045.34

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Solution

The fourth proportional to 406,453.22, 610,782.90 and 217,045.34 is: 326,157.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,453.22 : 610,782.90 = 217,045.34 : x
  2. Step 2: Convert to fraction form
    406,453.22/610,782.90 = 217,045.34/x
  3. Step 3: Cross multiply
    406,453.22x = 610,782.90 × 217,045.34
  4. Step 4: Simplify right side
    406,453.22x = 132,567,582,196.69
  5. Step 5: Solve for x
    x = 132,567,582,196.69/406,453.22
  6. Step 6: Final answer
    x = 326,157.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.