Home / 828,925.36-1,143,815.52-522,886.84

Finding the Fourth Proportional to 828,925.36, 1,143,815.52 and 522,886.84

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Solution

The fourth proportional to 828,925.36, 1,143,815.52 and 522,886.84 is: 721,519.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,925.36 : 1,143,815.52 = 522,886.84 : x
  2. Step 2: Convert to fraction form
    828,925.36/1,143,815.52 = 522,886.84/x
  3. Step 3: Cross multiply
    828,925.36x = 1,143,815.52 × 522,886.84
  4. Step 4: Simplify right side
    828,925.36x = 598,086,082,795.76
  5. Step 5: Solve for x
    x = 598,086,082,795.76/828,925.36
  6. Step 6: Final answer
    x = 721,519.83

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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.