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Finding the Fourth Proportional to 547,795.04, 755,943.03 and 306,079.60

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Solution

The fourth proportional to 547,795.04, 755,943.03 and 306,079.60 is: 422,381.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,795.04 : 755,943.03 = 306,079.60 : x
  2. Step 2: Convert to fraction form
    547,795.04/755,943.03 = 306,079.60/x
  3. Step 3: Cross multiply
    547,795.04x = 755,943.03 × 306,079.60
  4. Step 4: Simplify right side
    547,795.04x = 231,378,740,245.19
  5. Step 5: Solve for x
    x = 231,378,740,245.19/547,795.04
  6. Step 6: Final answer
    x = 422,381.96

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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.