Home / 717,896.08-1,076,844.30-212,417.92

Finding the Fourth Proportional to 717,896.08, 1,076,844.30 and 212,417.92

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Solution

The fourth proportional to 717,896.08, 1,076,844.30 and 212,417.92 is: 318,626.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,896.08 : 1,076,844.30 = 212,417.92 : x
  2. Step 2: Convert to fraction form
    717,896.08/1,076,844.30 = 212,417.92/x
  3. Step 3: Cross multiply
    717,896.08x = 1,076,844.30 × 212,417.92
  4. Step 4: Simplify right side
    717,896.08x = 228,741,026,369.86
  5. Step 5: Solve for x
    x = 228,741,026,369.86/717,896.08
  6. Step 6: Final answer
    x = 318,626.93

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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.