Home / 842,574.42-1,162,664.82-479,922.30

Finding the Fourth Proportional to 842,574.42, 1,162,664.82 and 479,922.30

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Solution

The fourth proportional to 842,574.42, 1,162,664.82 and 479,922.30 is: 662,242.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,574.42 : 1,162,664.82 = 479,922.30 : x
  2. Step 2: Convert to fraction form
    842,574.42/1,162,664.82 = 479,922.30/x
  3. Step 3: Cross multiply
    842,574.42x = 1,162,664.82 × 479,922.30
  4. Step 4: Simplify right side
    842,574.42x = 557,988,774,543.49
  5. Step 5: Solve for x
    x = 557,988,774,543.49/842,574.42
  6. Step 6: Final answer
    x = 662,242.72

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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.