Home / 1,087,898.92-1,631,848.08-339,944.92

Finding the Fourth Proportional to 1,087,898.92, 1,631,848.08 and 339,944.92

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Solution

The fourth proportional to 1,087,898.92, 1,631,848.08 and 339,944.92 is: 509,917.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,898.92 : 1,631,848.08 = 339,944.92 : x
  2. Step 2: Convert to fraction form
    1,087,898.92/1,631,848.08 = 339,944.92/x
  3. Step 3: Cross multiply
    1,087,898.92x = 1,631,848.08 × 339,944.92
  4. Step 4: Simplify right side
    1,087,898.92x = 554,738,465,007.75
  5. Step 5: Solve for x
    x = 554,738,465,007.75/1,087,898.92
  6. Step 6: Final answer
    x = 509,917.29

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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.