Home / 821,865.15-1,232,896.14-348,489

Finding the Fourth Proportional to 821,865.15, 1,232,896.14 and 348,489

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Solution

The fourth proportional to 821,865.15, 1,232,896.14 and 348,489 is: 522,775.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,865.15 : 1,232,896.14 = 348,489 : x
  2. Step 2: Convert to fraction form
    821,865.15/1,232,896.14 = 348,489/x
  3. Step 3: Cross multiply
    821,865.15x = 1,232,896.14 × 348,489
  4. Step 4: Simplify right side
    821,865.15x = 429,650,742,932.46
  5. Step 5: Solve for x
    x = 429,650,742,932.46/821,865.15
  6. Step 6: Final answer
    x = 522,775.23

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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.