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Finding the Fourth Proportional to 608,980.60, 913,689.60 and 254,103.40

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Solution

The fourth proportional to 608,980.60, 913,689.60 and 254,103.40 is: 381,246.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,980.60 : 913,689.60 = 254,103.40 : x
  2. Step 2: Convert to fraction form
    608,980.60/913,689.60 = 254,103.40/x
  3. Step 3: Cross multiply
    608,980.60x = 913,689.60 × 254,103.40
  4. Step 4: Simplify right side
    608,980.60x = 232,171,633,904.64
  5. Step 5: Solve for x
    x = 232,171,633,904.64/608,980.60
  6. Step 6: Final answer
    x = 381,246.35

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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.