Home / 404,983.12-608,098.92-342,622.72

Finding the Fourth Proportional to 404,983.12, 608,098.92 and 342,622.72

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Solution

The fourth proportional to 404,983.12, 608,098.92 and 342,622.72 is: 514,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,983.12 : 608,098.92 = 342,622.72 : x
  2. Step 2: Convert to fraction form
    404,983.12/608,098.92 = 342,622.72/x
  3. Step 3: Cross multiply
    404,983.12x = 608,098.92 × 342,622.72
  4. Step 4: Simplify right side
    404,983.12x = 208,348,505,999.46
  5. Step 5: Solve for x
    x = 208,348,505,999.46/404,983.12
  6. Step 6: Final answer
    x = 514,462.20

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1.5x scale

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.