Home / 842,563.91-1,162,745.93-479,982.40

Finding the Fourth Proportional to 842,563.91, 1,162,745.93 and 479,982.40

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Solution

The fourth proportional to 842,563.91, 1,162,745.93 and 479,982.40 is: 662,380.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,563.91 : 1,162,745.93 = 479,982.40 : x
  2. Step 2: Convert to fraction form
    842,563.91/1,162,745.93 = 479,982.40/x
  3. Step 3: Cross multiply
    842,563.91x = 1,162,745.93 × 479,982.40
  4. Step 4: Simplify right side
    842,563.91x = 558,097,582,071.63
  5. Step 5: Solve for x
    x = 558,097,582,071.63/842,563.91
  6. Step 6: Final answer
    x = 662,380.12

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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.