Home / 608,215.04-913,149.94-342,162.80

Finding the Fourth Proportional to 608,215.04, 913,149.94 and 342,162.80

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Solution

The fourth proportional to 608,215.04, 913,149.94 and 342,162.80 is: 513,709.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,215.04 : 913,149.94 = 342,162.80 : x
  2. Step 2: Convert to fraction form
    608,215.04/913,149.94 = 342,162.80/x
  3. Step 3: Cross multiply
    608,215.04x = 913,149.94 × 342,162.80
  4. Step 4: Simplify right side
    608,215.04x = 312,445,940,290.23
  5. Step 5: Solve for x
    x = 312,445,940,290.23/608,215.04
  6. Step 6: Final answer
    x = 513,709.66

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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.