Home / 608,979.60-913,688.10-254,102.40

Finding the Fourth Proportional to 608,979.60, 913,688.10 and 254,102.40

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Solution

The fourth proportional to 608,979.60, 913,688.10 and 254,102.40 is: 381,244.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,979.60 : 913,688.10 = 254,102.40 : x
  2. Step 2: Convert to fraction form
    608,979.60/913,688.10 = 254,102.40/x
  3. Step 3: Cross multiply
    608,979.60x = 913,688.10 × 254,102.40
  4. Step 4: Simplify right side
    608,979.60x = 232,170,339,061.44
  5. Step 5: Solve for x
    x = 232,170,339,061.44/608,979.60
  6. Step 6: Final answer
    x = 381,244.85

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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.