Home / 804,866.43-1,206,400.55-348,931.30

Finding the Fourth Proportional to 804,866.43, 1,206,400.55 and 348,931.30

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Solution

The fourth proportional to 804,866.43, 1,206,400.55 and 348,931.30 is: 523,007.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,866.43 : 1,206,400.55 = 348,931.30 : x
  2. Step 2: Convert to fraction form
    804,866.43/1,206,400.55 = 348,931.30/x
  3. Step 3: Cross multiply
    804,866.43x = 1,206,400.55 × 348,931.30
  4. Step 4: Simplify right side
    804,866.43x = 420,950,912,232.22
  5. Step 5: Solve for x
    x = 420,950,912,232.22/804,866.43
  6. Step 6: Final answer
    x = 523,007.17

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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.