Home / 672,003.02-1,007,497.56-405,700.22

Finding the Fourth Proportional to 672,003.02, 1,007,497.56 and 405,700.22

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Solution

The fourth proportional to 672,003.02, 1,007,497.56 and 405,700.22 is: 608,244.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,003.02 : 1,007,497.56 = 405,700.22 : x
  2. Step 2: Convert to fraction form
    672,003.02/1,007,497.56 = 405,700.22/x
  3. Step 3: Cross multiply
    672,003.02x = 1,007,497.56 × 405,700.22
  4. Step 4: Simplify right side
    672,003.02x = 408,741,981,741.46
  5. Step 5: Solve for x
    x = 408,741,981,741.46/672,003.02
  6. Step 6: Final answer
    x = 608,244.26

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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.