Home / 823,648.40-1,236,271.57-397,484.16

Finding the Fourth Proportional to 823,648.40, 1,236,271.57 and 397,484.16

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Solution

The fourth proportional to 823,648.40, 1,236,271.57 and 397,484.16 is: 596,611.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,648.40 : 1,236,271.57 = 397,484.16 : x
  2. Step 2: Convert to fraction form
    823,648.40/1,236,271.57 = 397,484.16/x
  3. Step 3: Cross multiply
    823,648.40x = 1,236,271.57 × 397,484.16
  4. Step 4: Simplify right side
    823,648.40x = 491,398,366,533.33
  5. Step 5: Solve for x
    x = 491,398,366,533.33/823,648.40
  6. Step 6: Final answer
    x = 596,611.81

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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.