Home / 727,847.52-1,004,450.70-421,925.16

Finding the Fourth Proportional to 727,847.52, 1,004,450.70 and 421,925.16

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Solution

The fourth proportional to 727,847.52, 1,004,450.70 and 421,925.16 is: 582,268.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,847.52 : 1,004,450.70 = 421,925.16 : x
  2. Step 2: Convert to fraction form
    727,847.52/1,004,450.70 = 421,925.16/x
  3. Step 3: Cross multiply
    727,847.52x = 1,004,450.70 × 421,925.16
  4. Step 4: Simplify right side
    727,847.52x = 423,803,022,309.61
  5. Step 5: Solve for x
    x = 423,803,022,309.61/727,847.52
  6. Step 6: Final answer
    x = 582,268.97

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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.