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Finding the Fourth Proportional to 547,544.75, 755,607.33 and 302,528.75

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Solution

The fourth proportional to 547,544.75, 755,607.33 and 302,528.75 is: 417,487.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,544.75 : 755,607.33 = 302,528.75 : x
  2. Step 2: Convert to fraction form
    547,544.75/755,607.33 = 302,528.75/x
  3. Step 3: Cross multiply
    547,544.75x = 755,607.33 × 302,528.75
  4. Step 4: Simplify right side
    547,544.75x = 228,592,937,257.70
  5. Step 5: Solve for x
    x = 228,592,937,257.70/547,544.75
  6. Step 6: Final answer
    x = 417,487.23

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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.