Home / 839,262.95-1,158,183.03-457,289.73

Finding the Fourth Proportional to 839,262.95, 1,158,183.03 and 457,289.73

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Solution

The fourth proportional to 839,262.95, 1,158,183.03 and 457,289.73 is: 631,059.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,262.95 : 1,158,183.03 = 457,289.73 : x
  2. Step 2: Convert to fraction form
    839,262.95/1,158,183.03 = 457,289.73/x
  3. Step 3: Cross multiply
    839,262.95x = 1,158,183.03 × 457,289.73
  4. Step 4: Simplify right side
    839,262.95x = 529,625,205,079.28
  5. Step 5: Solve for x
    x = 529,625,205,079.28/839,262.95
  6. Step 6: Final answer
    x = 631,059.91

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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.