Home / 717,734.45-1,076,601.68-212,256.07

Finding the Fourth Proportional to 717,734.45, 1,076,601.68 and 212,256.07

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Solution

The fourth proportional to 717,734.45, 1,076,601.68 and 212,256.07 is: 318,384.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,734.45 : 1,076,601.68 = 212,256.07 : x
  2. Step 2: Convert to fraction form
    717,734.45/1,076,601.68 = 212,256.07/x
  3. Step 3: Cross multiply
    717,734.45x = 1,076,601.68 × 212,256.07
  4. Step 4: Simplify right side
    717,734.45x = 228,515,239,391.33
  5. Step 5: Solve for x
    x = 228,515,239,391.33/717,734.45
  6. Step 6: Final answer
    x = 318,384.10

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Similar ratio
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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.