Home / 842,579.98-1,162,630.28-479,957.76

Finding the Fourth Proportional to 842,579.98, 1,162,630.28 and 479,957.76

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Solution

The fourth proportional to 842,579.98, 1,162,630.28 and 479,957.76 is: 662,267.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,579.98 : 1,162,630.28 = 479,957.76 : x
  2. Step 2: Convert to fraction form
    842,579.98/1,162,630.28 = 479,957.76/x
  3. Step 3: Cross multiply
    842,579.98x = 1,162,630.28 × 479,957.76
  4. Step 4: Simplify right side
    842,579.98x = 558,013,426,096.87
  5. Step 5: Solve for x
    x = 558,013,426,096.87/842,579.98
  6. Step 6: Final answer
    x = 662,267.61

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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.