Home / 727,533.66-1,003,997.52-421,669.56

Finding the Fourth Proportional to 727,533.66, 1,003,997.52 and 421,669.56

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Solution

The fourth proportional to 727,533.66, 1,003,997.52 and 421,669.56 is: 581,904.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,533.66 : 1,003,997.52 = 421,669.56 : x
  2. Step 2: Convert to fraction form
    727,533.66/1,003,997.52 = 421,669.56/x
  3. Step 3: Cross multiply
    727,533.66x = 1,003,997.52 × 421,669.56
  4. Step 4: Simplify right side
    727,533.66x = 423,355,192,499.49
  5. Step 5: Solve for x
    x = 423,355,192,499.49/727,533.66
  6. Step 6: Final answer
    x = 581,904.61

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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.