Home / 899,979.42-1,241,972.28-492,074.76

Finding the Fourth Proportional to 899,979.42, 1,241,972.28 and 492,074.76

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Solution

The fourth proportional to 899,979.42, 1,241,972.28 and 492,074.76 is: 679,063.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,979.42 : 1,241,972.28 = 492,074.76 : x
  2. Step 2: Convert to fraction form
    899,979.42/1,241,972.28 = 492,074.76/x
  3. Step 3: Cross multiply
    899,979.42x = 1,241,972.28 × 492,074.76
  4. Step 4: Simplify right side
    899,979.42x = 611,143,211,607.65
  5. Step 5: Solve for x
    x = 611,143,211,607.65/899,979.42
  6. Step 6: Final answer
    x = 679,063.54

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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.