Home / 849,664.44-1,172,399.72-487,021.56

Finding the Fourth Proportional to 849,664.44, 1,172,399.72 and 487,021.56

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Solution

The fourth proportional to 849,664.44, 1,172,399.72 and 487,021.56 is: 672,011.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,664.44 : 1,172,399.72 = 487,021.56 : x
  2. Step 2: Convert to fraction form
    849,664.44/1,172,399.72 = 487,021.56/x
  3. Step 3: Cross multiply
    849,664.44x = 1,172,399.72 × 487,021.56
  4. Step 4: Simplify right side
    849,664.44x = 570,983,940,577.96
  5. Step 5: Solve for x
    x = 570,983,940,577.96/849,664.44
  6. Step 6: Final answer
    x = 672,011.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.