Home / 526,498.14-789,845.64-210,979.65

Finding the Fourth Proportional to 526,498.14, 789,845.64 and 210,979.65

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Solution

The fourth proportional to 526,498.14, 789,845.64 and 210,979.65 is: 316,508.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,498.14 : 789,845.64 = 210,979.65 : x
  2. Step 2: Convert to fraction form
    526,498.14/789,845.64 = 210,979.65/x
  3. Step 3: Cross multiply
    526,498.14x = 789,845.64 × 210,979.65
  4. Step 4: Simplify right side
    526,498.14x = 166,641,356,681.23
  5. Step 5: Solve for x
    x = 166,641,356,681.23/526,498.14
  6. Step 6: Final answer
    x = 316,508.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.