Home / 727,570.10-1,004,046.16-421,824.00

Finding the Fourth Proportional to 727,570.10, 1,004,046.16 and 421,824.00

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Solution

The fourth proportional to 727,570.10, 1,004,046.16 and 421,824.00 is: 582,116.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,570.10 : 1,004,046.16 = 421,824.00 : x
  2. Step 2: Convert to fraction form
    727,570.10/1,004,046.16 = 421,824.00/x
  3. Step 3: Cross multiply
    727,570.10x = 1,004,046.16 × 421,824.00
  4. Step 4: Simplify right side
    727,570.10x = 423,530,769,710.99
  5. Step 5: Solve for x
    x = 423,530,769,710.99/727,570.10
  6. Step 6: Final answer
    x = 582,116.79

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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.