Home / 804,963.80-1,206,063.30-425,322.20

Finding the Fourth Proportional to 804,963.80, 1,206,063.30 and 425,322.20

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Solution

The fourth proportional to 804,963.80, 1,206,063.30 and 425,322.20 is: 637,252.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,963.80 : 1,206,063.30 = 425,322.20 : x
  2. Step 2: Convert to fraction form
    804,963.80/1,206,063.30 = 425,322.20/x
  3. Step 3: Cross multiply
    804,963.80x = 1,206,063.30 × 425,322.20
  4. Step 4: Simplify right side
    804,963.80x = 512,965,496,095.26
  5. Step 5: Solve for x
    x = 512,965,496,095.26/804,963.80
  6. Step 6: Final answer
    x = 637,252.88

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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.