Home / 842,440.48-1,162,566.18-479,864.20

Finding the Fourth Proportional to 842,440.48, 1,162,566.18 and 479,864.20

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Solution

The fourth proportional to 842,440.48, 1,162,566.18 and 479,864.20 is: 662,211.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,440.48 : 1,162,566.18 = 479,864.20 : x
  2. Step 2: Convert to fraction form
    842,440.48/1,162,566.18 = 479,864.20/x
  3. Step 3: Cross multiply
    842,440.48x = 1,162,566.18 × 479,864.20
  4. Step 4: Simplify right side
    842,440.48x = 557,873,889,912.76
  5. Step 5: Solve for x
    x = 557,873,889,912.76/842,440.48
  6. Step 6: Final answer
    x = 662,211.64

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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.