Home / 813,735.82-1,122,896.49-446,154.10

Finding the Fourth Proportional to 813,735.82, 1,122,896.49 and 446,154.10

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Solution

The fourth proportional to 813,735.82, 1,122,896.49 and 446,154.10 is: 615,660.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,735.82 : 1,122,896.49 = 446,154.10 : x
  2. Step 2: Convert to fraction form
    813,735.82/1,122,896.49 = 446,154.10/x
  3. Step 3: Cross multiply
    813,735.82x = 1,122,896.49 × 446,154.10
  4. Step 4: Simplify right side
    813,735.82x = 500,984,872,889.11
  5. Step 5: Solve for x
    x = 500,984,872,889.11/813,735.82
  6. Step 6: Final answer
    x = 615,660.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.