Home / 802,982.88-1,107,799.92-463,385.52

Finding the Fourth Proportional to 802,982.88, 1,107,799.92 and 463,385.52

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Solution

The fourth proportional to 802,982.88, 1,107,799.92 and 463,385.52 is: 639,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,982.88 : 1,107,799.92 = 463,385.52 : x
  2. Step 2: Convert to fraction form
    802,982.88/1,107,799.92 = 463,385.52/x
  3. Step 3: Cross multiply
    802,982.88x = 1,107,799.92 × 463,385.52
  4. Step 4: Simplify right side
    802,982.88x = 513,338,441,985.16
  5. Step 5: Solve for x
    x = 513,338,441,985.16/802,982.88
  6. Step 6: Final answer
    x = 639,289.40

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1.5x scale

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.