Home / 825,999.21-1,139,947.62-458,510.94

Finding the Fourth Proportional to 825,999.21, 1,139,947.62 and 458,510.94

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Solution

The fourth proportional to 825,999.21, 1,139,947.62 and 458,510.94 is: 632,783.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,999.21 : 1,139,947.62 = 458,510.94 : x
  2. Step 2: Convert to fraction form
    825,999.21/1,139,947.62 = 458,510.94/x
  3. Step 3: Cross multiply
    825,999.21x = 1,139,947.62 × 458,510.94
  4. Step 4: Simplify right side
    825,999.21x = 522,678,454,796.96
  5. Step 5: Solve for x
    x = 522,678,454,796.96/825,999.21
  6. Step 6: Final answer
    x = 632,783.24

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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.