Home / 842,729.16-1,162,681.35-479,895.78

Finding the Fourth Proportional to 842,729.16, 1,162,681.35 and 479,895.78

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Solution

The fourth proportional to 842,729.16, 1,162,681.35 and 479,895.78 is: 662,093.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,729.16 : 1,162,681.35 = 479,895.78 : x
  2. Step 2: Convert to fraction form
    842,729.16/1,162,681.35 = 479,895.78/x
  3. Step 3: Cross multiply
    842,729.16x = 1,162,681.35 × 479,895.78
  4. Step 4: Simplify right side
    842,729.16x = 557,965,873,349.70
  5. Step 5: Solve for x
    x = 557,965,873,349.70/842,729.16
  6. Step 6: Final answer
    x = 662,093.94

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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.