Home / 717,808.33-1,076,340.02-212,302.87

Finding the Fourth Proportional to 717,808.33, 1,076,340.02 and 212,302.87

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Solution

The fourth proportional to 717,808.33, 1,076,340.02 and 212,302.87 is: 318,344.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,808.33 : 1,076,340.02 = 212,302.87 : x
  2. Step 2: Convert to fraction form
    717,808.33/1,076,340.02 = 212,302.87/x
  3. Step 3: Cross multiply
    717,808.33x = 1,076,340.02 × 212,302.87
  4. Step 4: Simplify right side
    717,808.33x = 228,510,079,435.21
  5. Step 5: Solve for x
    x = 228,510,079,435.21/717,808.33
  6. Step 6: Final answer
    x = 318,344.14

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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.