Home / 842,574.76-1,162,469.28-479,742.01

Finding the Fourth Proportional to 842,574.76, 1,162,469.28 and 479,742.01

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Solution

The fourth proportional to 842,574.76, 1,162,469.28 and 479,742.01 is: 661,882.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,574.76 : 1,162,469.28 = 479,742.01 : x
  2. Step 2: Convert to fraction form
    842,574.76/1,162,469.28 = 479,742.01/x
  3. Step 3: Cross multiply
    842,574.76x = 1,162,469.28 × 479,742.01
  4. Step 4: Simplify right side
    842,574.76x = 557,685,348,950.45
  5. Step 5: Solve for x
    x = 557,685,348,950.45/842,574.76
  6. Step 6: Final answer
    x = 661,882.33

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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.