Home / 822,341.36-1,233,978.60-324,055.28

Finding the Fourth Proportional to 822,341.36, 1,233,978.60 and 324,055.28

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Solution

The fourth proportional to 822,341.36, 1,233,978.60 and 324,055.28 is: 486,266.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,341.36 : 1,233,978.60 = 324,055.28 : x
  2. Step 2: Convert to fraction form
    822,341.36/1,233,978.60 = 324,055.28/x
  3. Step 3: Cross multiply
    822,341.36x = 1,233,978.60 × 324,055.28
  4. Step 4: Simplify right side
    822,341.36x = 399,877,280,737.01
  5. Step 5: Solve for x
    x = 399,877,280,737.01/822,341.36
  6. Step 6: Final answer
    x = 486,266.77

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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.