Home / 823,215.24-1,234,969.74-291,045.24

Finding the Fourth Proportional to 823,215.24, 1,234,969.74 and 291,045.24

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Solution

The fourth proportional to 823,215.24, 1,234,969.74 and 291,045.24 is: 436,619.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,215.24 : 1,234,969.74 = 291,045.24 : x
  2. Step 2: Convert to fraction form
    823,215.24/1,234,969.74 = 291,045.24/x
  3. Step 3: Cross multiply
    823,215.24x = 1,234,969.74 × 291,045.24
  4. Step 4: Simplify right side
    823,215.24x = 359,432,064,371.04
  5. Step 5: Solve for x
    x = 359,432,064,371.04/823,215.24
  6. Step 6: Final answer
    x = 436,619.79

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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.