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Finding the Fourth Proportional to 418,509.92, 577,547.34 and 227,523.44

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Solution

The fourth proportional to 418,509.92, 577,547.34 and 227,523.44 is: 313,984.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,509.92 : 577,547.34 = 227,523.44 : x
  2. Step 2: Convert to fraction form
    418,509.92/577,547.34 = 227,523.44/x
  3. Step 3: Cross multiply
    418,509.92x = 577,547.34 × 227,523.44
  4. Step 4: Simplify right side
    418,509.92x = 131,405,557,559.65
  5. Step 5: Solve for x
    x = 131,405,557,559.65/418,509.92
  6. Step 6: Final answer
    x = 313,984.33

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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.