Home / 823,266.40-1,236,166.80-450,018.40

Finding the Fourth Proportional to 823,266.40, 1,236,166.80 and 450,018.40

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Solution

The fourth proportional to 823,266.40, 1,236,166.80 and 450,018.40 is: 675,720.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,266.40 : 1,236,166.80 = 450,018.40 : x
  2. Step 2: Convert to fraction form
    823,266.40/1,236,166.80 = 450,018.40/x
  3. Step 3: Cross multiply
    823,266.40x = 1,236,166.80 × 450,018.40
  4. Step 4: Simplify right side
    823,266.40x = 556,297,805,469.12
  5. Step 5: Solve for x
    x = 556,297,805,469.12/823,266.40
  6. Step 6: Final answer
    x = 675,720.28

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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.