Home / 727,717.62-1,091,693.20-307,055.46

Finding the Fourth Proportional to 727,717.62, 1,091,693.20 and 307,055.46

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Solution

The fourth proportional to 727,717.62, 1,091,693.20 and 307,055.46 is: 460,632.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,717.62 : 1,091,693.20 = 307,055.46 : x
  2. Step 2: Convert to fraction form
    727,717.62/1,091,693.20 = 307,055.46/x
  3. Step 3: Cross multiply
    727,717.62x = 1,091,693.20 × 307,055.46
  4. Step 4: Simplify right side
    727,717.62x = 335,210,357,704.87
  5. Step 5: Solve for x
    x = 335,210,357,704.87/727,717.62
  6. Step 6: Final answer
    x = 460,632.46

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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.