Home / 808,408.36-1,211,534.90-382,057.27

Finding the Fourth Proportional to 808,408.36, 1,211,534.90 and 382,057.27

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Solution

The fourth proportional to 808,408.36, 1,211,534.90 and 382,057.27 is: 572,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,408.36 : 1,211,534.90 = 382,057.27 : x
  2. Step 2: Convert to fraction form
    808,408.36/1,211,534.90 = 382,057.27/x
  3. Step 3: Cross multiply
    808,408.36x = 1,211,534.90 × 382,057.27
  4. Step 4: Simplify right side
    808,408.36x = 462,875,711,464.60
  5. Step 5: Solve for x
    x = 462,875,711,464.60/808,408.36
  6. Step 6: Final answer
    x = 572,576.60

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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.