Home / 406,785.35-609,804.38-217,376.46

Finding the Fourth Proportional to 406,785.35, 609,804.38 and 217,376.46

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Solution

The fourth proportional to 406,785.35, 609,804.38 and 217,376.46 is: 325,865.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,785.35 : 609,804.38 = 217,376.46 : x
  2. Step 2: Convert to fraction form
    406,785.35/609,804.38 = 217,376.46/x
  3. Step 3: Cross multiply
    406,785.35x = 609,804.38 × 217,376.46
  4. Step 4: Simplify right side
    406,785.35x = 132,557,116,330.01
  5. Step 5: Solve for x
    x = 132,557,116,330.01/406,785.35
  6. Step 6: Final answer
    x = 325,865.02

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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.