Home / 666,548.20-1,000,055.58-193,261.96

Finding the Fourth Proportional to 666,548.20, 1,000,055.58 and 193,261.96

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Solution

The fourth proportional to 666,548.20, 1,000,055.58 and 193,261.96 is: 289,960.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,548.20 : 1,000,055.58 = 193,261.96 : x
  2. Step 2: Convert to fraction form
    666,548.20/1,000,055.58 = 193,261.96/x
  3. Step 3: Cross multiply
    666,548.20x = 1,000,055.58 × 193,261.96
  4. Step 4: Simplify right side
    666,548.20x = 193,272,701,499.74
  5. Step 5: Solve for x
    x = 193,272,701,499.74/666,548.20
  6. Step 6: Final answer
    x = 289,960.58

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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.