Home / 668,861.20-1,003,291.80-314,567.20

Finding the Fourth Proportional to 668,861.20, 1,003,291.80 and 314,567.20

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Solution

The fourth proportional to 668,861.20, 1,003,291.80 and 314,567.20 is: 471,850.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,861.20 : 1,003,291.80 = 314,567.20 : x
  2. Step 2: Convert to fraction form
    668,861.20/1,003,291.80 = 314,567.20/x
  3. Step 3: Cross multiply
    668,861.20x = 1,003,291.80 × 314,567.20
  4. Step 4: Simplify right side
    668,861.20x = 315,602,692,308.96
  5. Step 5: Solve for x
    x = 315,602,692,308.96/668,861.20
  6. Step 6: Final answer
    x = 471,850.80

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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.