Home / 802,322.92-1,107,217.74-439,743.88

Finding the Fourth Proportional to 802,322.92, 1,107,217.74 and 439,743.88

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Solution

The fourth proportional to 802,322.92, 1,107,217.74 and 439,743.88 is: 606,853.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,322.92 : 1,107,217.74 = 439,743.88 : x
  2. Step 2: Convert to fraction form
    802,322.92/1,107,217.74 = 439,743.88/x
  3. Step 3: Cross multiply
    802,322.92x = 1,107,217.74 × 439,743.88
  4. Step 4: Simplify right side
    802,322.92x = 486,892,224,992.43
  5. Step 5: Solve for x
    x = 486,892,224,992.43/802,322.92
  6. Step 6: Final answer
    x = 606,853.19

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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.