Home / 717,733.80-1,076,600.69-212,255.39

Finding the Fourth Proportional to 717,733.80, 1,076,600.69 and 212,255.39

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Solution

The fourth proportional to 717,733.80, 1,076,600.69 and 212,255.39 is: 318,383.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,733.80 : 1,076,600.69 = 212,255.39 : x
  2. Step 2: Convert to fraction form
    717,733.80/1,076,600.69 = 212,255.39/x
  3. Step 3: Cross multiply
    717,733.80x = 1,076,600.69 × 212,255.39
  4. Step 4: Simplify right side
    717,733.80x = 228,514,292,885.94
  5. Step 5: Solve for x
    x = 228,514,292,885.94/717,733.80
  6. Step 6: Final answer
    x = 318,383.07

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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.