Home / 727,859.52-1,004,467.23-421,937.10

Finding the Fourth Proportional to 727,859.52, 1,004,467.23 and 421,937.10

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Solution

The fourth proportional to 727,859.52, 1,004,467.23 and 421,937.10 is: 582,285.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,859.52 : 1,004,467.23 = 421,937.10 : x
  2. Step 2: Convert to fraction form
    727,859.52/1,004,467.23 = 421,937.10/x
  3. Step 3: Cross multiply
    727,859.52x = 1,004,467.23 × 421,937.10
  4. Step 4: Simplify right side
    727,859.52x = 423,821,990,071.23
  5. Step 5: Solve for x
    x = 423,821,990,071.23/727,859.52
  6. Step 6: Final answer
    x = 582,285.43

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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.