Home / 804,923.80-1,206,003.30-425,282.20

Finding the Fourth Proportional to 804,923.80, 1,206,003.30 and 425,282.20

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Solution

The fourth proportional to 804,923.80, 1,206,003.30 and 425,282.20 is: 637,192.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,923.80 : 1,206,003.30 = 425,282.20 : x
  2. Step 2: Convert to fraction form
    804,923.80/1,206,003.30 = 425,282.20/x
  3. Step 3: Cross multiply
    804,923.80x = 1,206,003.30 × 425,282.20
  4. Step 4: Simplify right side
    804,923.80x = 512,891,736,631.26
  5. Step 5: Solve for x
    x = 512,891,736,631.26/804,923.80
  6. Step 6: Final answer
    x = 637,192.91

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1.5x scale

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.