Home / 821,150.33-1,133,176.05-477,180.59

Finding the Fourth Proportional to 821,150.33, 1,133,176.05 and 477,180.59

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Solution

The fourth proportional to 821,150.33, 1,133,176.05 and 477,180.59 is: 658,502.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,150.33 : 1,133,176.05 = 477,180.59 : x
  2. Step 2: Convert to fraction form
    821,150.33/1,133,176.05 = 477,180.59/x
  3. Step 3: Cross multiply
    821,150.33x = 1,133,176.05 × 477,180.59
  4. Step 4: Simplify right side
    821,150.33x = 540,729,610,446.99
  5. Step 5: Solve for x
    x = 540,729,610,446.99/821,150.33
  6. Step 6: Final answer
    x = 658,502.58

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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.