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Finding the Fourth Proportional to 547,525.03, 820,142.38 and 440,330.14

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Solution

The fourth proportional to 547,525.03, 820,142.38 and 440,330.14 is: 659,574.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,525.03 : 820,142.38 = 440,330.14 : x
  2. Step 2: Convert to fraction form
    547,525.03/820,142.38 = 440,330.14/x
  3. Step 3: Cross multiply
    547,525.03x = 820,142.38 × 440,330.14
  4. Step 4: Simplify right side
    547,525.03x = 361,133,409,005.33
  5. Step 5: Solve for x
    x = 361,133,409,005.33/547,525.03
  6. Step 6: Final answer
    x = 659,574.25

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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.