Home / 404,267.10-606,400.65-217,643.10

Finding the Fourth Proportional to 404,267.10, 606,400.65 and 217,643.10

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Solution

The fourth proportional to 404,267.10, 606,400.65 and 217,643.10 is: 326,464.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,267.10 : 606,400.65 = 217,643.10 : x
  2. Step 2: Convert to fraction form
    404,267.10/606,400.65 = 217,643.10/x
  3. Step 3: Cross multiply
    404,267.10x = 606,400.65 × 217,643.10
  4. Step 4: Simplify right side
    404,267.10x = 131,978,917,308.02
  5. Step 5: Solve for x
    x = 131,978,917,308.02/404,267.10
  6. Step 6: Final answer
    x = 326,464.65

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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.