Home / 739,665.07-1,108,571.41-397,267.08

Finding the Fourth Proportional to 739,665.07, 1,108,571.41 and 397,267.08

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Solution

The fourth proportional to 739,665.07, 1,108,571.41 and 397,267.08 is: 595,403.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,665.07 : 1,108,571.41 = 397,267.08 : x
  2. Step 2: Convert to fraction form
    739,665.07/1,108,571.41 = 397,267.08/x
  3. Step 3: Cross multiply
    739,665.07x = 1,108,571.41 × 397,267.08
  4. Step 4: Simplify right side
    739,665.07x = 440,398,923,361.62
  5. Step 5: Solve for x
    x = 440,398,923,361.62/739,665.07
  6. Step 6: Final answer
    x = 595,403.17

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Similar ratio
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1.5x scale

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.