Home / 717,747.30-1,076,620.98-212,268.93

Finding the Fourth Proportional to 717,747.30, 1,076,620.98 and 212,268.93

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Solution

The fourth proportional to 717,747.30, 1,076,620.98 and 212,268.93 is: 318,403.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,747.30 : 1,076,620.98 = 212,268.93 : x
  2. Step 2: Convert to fraction form
    717,747.30/1,076,620.98 = 212,268.93/x
  3. Step 3: Cross multiply
    717,747.30x = 1,076,620.98 × 212,268.93
  4. Step 4: Simplify right side
    717,747.30x = 228,533,183,440.15
  5. Step 5: Solve for x
    x = 228,533,183,440.15/717,747.30
  6. Step 6: Final answer
    x = 318,403.40

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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.