Home / 697,247.88-1,045,811.02-431,049.48

Finding the Fourth Proportional to 697,247.88, 1,045,811.02 and 431,049.48

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Solution

The fourth proportional to 697,247.88, 1,045,811.02 and 431,049.48 is: 646,536.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,247.88 : 1,045,811.02 = 431,049.48 : x
  2. Step 2: Convert to fraction form
    697,247.88/1,045,811.02 = 431,049.48/x
  3. Step 3: Cross multiply
    697,247.88x = 1,045,811.02 × 431,049.48
  4. Step 4: Simplify right side
    697,247.88x = 450,796,296,349.27
  5. Step 5: Solve for x
    x = 450,796,296,349.27/697,247.88
  6. Step 6: Final answer
    x = 646,536.63

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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.