Home / 720,303.24-1,080,126.54-299,327.88

Finding the Fourth Proportional to 720,303.24, 1,080,126.54 and 299,327.88

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Solution

The fourth proportional to 720,303.24, 1,080,126.54 and 299,327.88 is: 448,855.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,303.24 : 1,080,126.54 = 299,327.88 : x
  2. Step 2: Convert to fraction form
    720,303.24/1,080,126.54 = 299,327.88/x
  3. Step 3: Cross multiply
    720,303.24x = 1,080,126.54 × 299,327.88
  4. Step 4: Simplify right side
    720,303.24x = 323,311,987,349.94
  5. Step 5: Solve for x
    x = 323,311,987,349.94/720,303.24
  6. Step 6: Final answer
    x = 448,855.38

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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.