Home / 771,814.80-1,157,664.60-322,419.60

Finding the Fourth Proportional to 771,814.80, 1,157,664.60 and 322,419.60

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Solution

The fourth proportional to 771,814.80, 1,157,664.60 and 322,419.60 is: 483,605.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,814.80 : 1,157,664.60 = 322,419.60 : x
  2. Step 2: Convert to fraction form
    771,814.80/1,157,664.60 = 322,419.60/x
  3. Step 3: Cross multiply
    771,814.80x = 1,157,664.60 × 322,419.60
  4. Step 4: Simplify right side
    771,814.80x = 373,253,757,266.16
  5. Step 5: Solve for x
    x = 373,253,757,266.16/771,814.80
  6. Step 6: Final answer
    x = 483,605.34

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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.