Home / 802,983.88-1,107,801.30-463,386.52

Finding the Fourth Proportional to 802,983.88, 1,107,801.30 and 463,386.52

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Solution

The fourth proportional to 802,983.88, 1,107,801.30 and 463,386.52 is: 639,290.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,983.88 : 1,107,801.30 = 463,386.52 : x
  2. Step 2: Convert to fraction form
    802,983.88/1,107,801.30 = 463,386.52/x
  3. Step 3: Cross multiply
    802,983.88x = 1,107,801.30 × 463,386.52
  4. Step 4: Simplify right side
    802,983.88x = 513,340,189,258.48
  5. Step 5: Solve for x
    x = 513,340,189,258.48/802,983.88
  6. Step 6: Final answer
    x = 639,290.78

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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.