Home / 821,775.36-1,230,447.96-536,760.12

Finding the Fourth Proportional to 821,775.36, 1,230,447.96 and 536,760.12

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Solution

The fourth proportional to 821,775.36, 1,230,447.96 and 536,760.12 is: 803,693.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,775.36 : 1,230,447.96 = 536,760.12 : x
  2. Step 2: Convert to fraction form
    821,775.36/1,230,447.96 = 536,760.12/x
  3. Step 3: Cross multiply
    821,775.36x = 1,230,447.96 × 536,760.12
  4. Step 4: Simplify right side
    821,775.36x = 660,455,394,663.36
  5. Step 5: Solve for x
    x = 660,455,394,663.36/821,775.36
  6. Step 6: Final answer
    x = 803,693.35

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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.