Home / 717,734.74-1,076,602.13-212,256.35

Finding the Fourth Proportional to 717,734.74, 1,076,602.13 and 212,256.35

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Solution

The fourth proportional to 717,734.74, 1,076,602.13 and 212,256.35 is: 318,384.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,734.74 : 1,076,602.13 = 212,256.35 : x
  2. Step 2: Convert to fraction form
    717,734.74/1,076,602.13 = 212,256.35/x
  3. Step 3: Cross multiply
    717,734.74x = 1,076,602.13 × 212,256.35
  4. Step 4: Simplify right side
    717,734.74x = 228,515,632,071.73
  5. Step 5: Solve for x
    x = 228,515,632,071.73/717,734.74
  6. Step 6: Final answer
    x = 318,384.52

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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.