Home / 717,698.34-1,076,776.11-212,262.39

Finding the Fourth Proportional to 717,698.34, 1,076,776.11 and 212,262.39

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Solution

The fourth proportional to 717,698.34, 1,076,776.11 and 212,262.39 is: 318,461.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,698.34 : 1,076,776.11 = 212,262.39 : x
  2. Step 2: Convert to fraction form
    717,698.34/1,076,776.11 = 212,262.39/x
  3. Step 3: Cross multiply
    717,698.34x = 1,076,776.11 × 212,262.39
  4. Step 4: Simplify right side
    717,698.34x = 228,559,070,603.50
  5. Step 5: Solve for x
    x = 228,559,070,603.50/717,698.34
  6. Step 6: Final answer
    x = 318,461.19

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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.