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Finding the Fourth Proportional to 547,512.72, 755,562.60 and 302,497.12

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Solution

The fourth proportional to 547,512.72, 755,562.60 and 302,497.12 is: 417,443.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,512.72 : 755,562.60 = 302,497.12 : x
  2. Step 2: Convert to fraction form
    547,512.72/755,562.60 = 302,497.12/x
  3. Step 3: Cross multiply
    547,512.72x = 755,562.60 × 302,497.12
  4. Step 4: Simplify right side
    547,512.72x = 228,555,510,479.71
  5. Step 5: Solve for x
    x = 228,555,510,479.71/547,512.72
  6. Step 6: Final answer
    x = 417,443.29

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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.