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Finding the Fourth Proportional to 650,040.07, 897,079.83 and 355,709.59

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Solution

The fourth proportional to 650,040.07, 897,079.83 and 355,709.59 is: 490,892.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,040.07 : 897,079.83 = 355,709.59 : x
  2. Step 2: Convert to fraction form
    650,040.07/897,079.83 = 355,709.59/x
  3. Step 3: Cross multiply
    650,040.07x = 897,079.83 × 355,709.59
  4. Step 4: Simplify right side
    650,040.07x = 319,099,898,526.57
  5. Step 5: Solve for x
    x = 319,099,898,526.57/650,040.07
  6. Step 6: Final answer
    x = 490,892.66

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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.