Home / 822,342.36-1,233,980.10-324,056.28

Finding the Fourth Proportional to 822,342.36, 1,233,980.10 and 324,056.28

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Solution

The fourth proportional to 822,342.36, 1,233,980.10 and 324,056.28 is: 486,268.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,342.36 : 1,233,980.10 = 324,056.28 : x
  2. Step 2: Convert to fraction form
    822,342.36/1,233,980.10 = 324,056.28/x
  3. Step 3: Cross multiply
    822,342.36x = 1,233,980.10 × 324,056.28
  4. Step 4: Simplify right side
    822,342.36x = 399,879,000,800.03
  5. Step 5: Solve for x
    x = 399,879,000,800.03/822,342.36
  6. Step 6: Final answer
    x = 486,268.27

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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.