Home / 720,007.72-1,080,164.40-246,565.96

Finding the Fourth Proportional to 720,007.72, 1,080,164.40 and 246,565.96

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Solution

The fourth proportional to 720,007.72, 1,080,164.40 and 246,565.96 is: 369,901.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,007.72 : 1,080,164.40 = 246,565.96 : x
  2. Step 2: Convert to fraction form
    720,007.72/1,080,164.40 = 246,565.96/x
  3. Step 3: Cross multiply
    720,007.72x = 1,080,164.40 × 246,565.96
  4. Step 4: Simplify right side
    720,007.72x = 266,331,772,243.82
  5. Step 5: Solve for x
    x = 266,331,772,243.82/720,007.72
  6. Step 6: Final answer
    x = 369,901.27

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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.