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Finding the Fourth Proportional to 554,452.68, 765,144.14 and 299,803.26

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Solution

The fourth proportional to 554,452.68, 765,144.14 and 299,803.26 is: 413,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,452.68 : 765,144.14 = 299,803.26 : x
  2. Step 2: Convert to fraction form
    554,452.68/765,144.14 = 299,803.26/x
  3. Step 3: Cross multiply
    554,452.68x = 765,144.14 × 299,803.26
  4. Step 4: Simplify right side
    554,452.68x = 229,392,707,541.90
  5. Step 5: Solve for x
    x = 229,392,707,541.90/554,452.68
  6. Step 6: Final answer
    x = 413,728.20

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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.