Home / 842,285.42-1,162,354-479,743.04

Finding the Fourth Proportional to 842,285.42, 1,162,354 and 479,743.04

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Solution

The fourth proportional to 842,285.42, 1,162,354 and 479,743.04 is: 662,045.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,285.42 : 1,162,354 = 479,743.04 : x
  2. Step 2: Convert to fraction form
    842,285.42/1,162,354 = 479,743.04/x
  3. Step 3: Cross multiply
    842,285.42x = 1,162,354 × 479,743.04
  4. Step 4: Simplify right side
    842,285.42x = 557,631,241,516.16
  5. Step 5: Solve for x
    x = 557,631,241,516.16/842,285.42
  6. Step 6: Final answer
    x = 662,045.46

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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.