Home / 447,464.31-617,514.75-253,880.18

Finding the Fourth Proportional to 447,464.31, 617,514.75 and 253,880.18

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Solution

The fourth proportional to 447,464.31, 617,514.75 and 253,880.18 is: 350,362.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,464.31 : 617,514.75 = 253,880.18 : x
  2. Step 2: Convert to fraction form
    447,464.31/617,514.75 = 253,880.18/x
  3. Step 3: Cross multiply
    447,464.31x = 617,514.75 × 253,880.18
  4. Step 4: Simplify right side
    447,464.31x = 156,774,752,795.08
  5. Step 5: Solve for x
    x = 156,774,752,795.08/447,464.31
  6. Step 6: Final answer
    x = 350,362.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.