Home / 777,493.65-1,166,399.06-440,684.72

Finding the Fourth Proportional to 777,493.65, 1,166,399.06 and 440,684.72

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Solution

The fourth proportional to 777,493.65, 1,166,399.06 and 440,684.72 is: 661,116.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,493.65 : 1,166,399.06 = 440,684.72 : x
  2. Step 2: Convert to fraction form
    777,493.65/1,166,399.06 = 440,684.72/x
  3. Step 3: Cross multiply
    777,493.65x = 1,166,399.06 × 440,684.72
  4. Step 4: Simplify right side
    777,493.65x = 514,014,239,502.94
  5. Step 5: Solve for x
    x = 514,014,239,502.94/777,493.65
  6. Step 6: Final answer
    x = 661,116.96

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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.