Home / 668,861.94-1,003,290.15-242,297.88

Finding the Fourth Proportional to 668,861.94, 1,003,290.15 and 242,297.88

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Solution

The fourth proportional to 668,861.94, 1,003,290.15 and 242,297.88 is: 363,445.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,861.94 : 1,003,290.15 = 242,297.88 : x
  2. Step 2: Convert to fraction form
    668,861.94/1,003,290.15 = 242,297.88/x
  3. Step 3: Cross multiply
    668,861.94x = 1,003,290.15 × 242,297.88
  4. Step 4: Simplify right side
    668,861.94x = 243,095,076,369.88
  5. Step 5: Solve for x
    x = 243,095,076,369.88/668,861.94
  6. Step 6: Final answer
    x = 363,445.82

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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.