Home / 608,631.14-913,338.39-328,341.86

Finding the Fourth Proportional to 608,631.14, 913,338.39 and 328,341.86

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Solution

The fourth proportional to 608,631.14, 913,338.39 and 328,341.86 is: 492,724.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,631.14 : 913,338.39 = 328,341.86 : x
  2. Step 2: Convert to fraction form
    608,631.14/913,338.39 = 328,341.86/x
  3. Step 3: Cross multiply
    608,631.14x = 913,338.39 × 328,341.86
  4. Step 4: Simplify right side
    608,631.14x = 299,887,225,782.01
  5. Step 5: Solve for x
    x = 299,887,225,782.01/608,631.14
  6. Step 6: Final answer
    x = 492,724.09

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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.