Home / 802,266.44-1,107,141.92-439,666.16

Finding the Fourth Proportional to 802,266.44, 1,107,141.92 and 439,666.16

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Solution

The fourth proportional to 802,266.44, 1,107,141.92 and 439,666.16 is: 606,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,266.44 : 1,107,141.92 = 439,666.16 : x
  2. Step 2: Convert to fraction form
    802,266.44/1,107,141.92 = 439,666.16/x
  3. Step 3: Cross multiply
    802,266.44x = 1,107,141.92 × 439,666.16
  4. Step 4: Simplify right side
    802,266.44x = 486,772,836,541.43
  5. Step 5: Solve for x
    x = 486,772,836,541.43/802,266.44
  6. Step 6: Final answer
    x = 606,747.10

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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.