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Finding the Fourth Proportional to 483,506.27, 666,700.58 and 330,569.27

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Solution

The fourth proportional to 483,506.27, 666,700.58 and 330,569.27 is: 455,817.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,506.27 : 666,700.58 = 330,569.27 : x
  2. Step 2: Convert to fraction form
    483,506.27/666,700.58 = 330,569.27/x
  3. Step 3: Cross multiply
    483,506.27x = 666,700.58 × 330,569.27
  4. Step 4: Simplify right side
    483,506.27x = 220,390,722,386.33
  5. Step 5: Solve for x
    x = 220,390,722,386.33/483,506.27
  6. Step 6: Final answer
    x = 455,817.71

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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.