Home / 927,962.72-1,391,777.19-422,406.08

Finding the Fourth Proportional to 927,962.72, 1,391,777.19 and 422,406.08

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Solution

The fourth proportional to 927,962.72, 1,391,777.19 and 422,406.08 is: 633,533.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,962.72 : 1,391,777.19 = 422,406.08 : x
  2. Step 2: Convert to fraction form
    927,962.72/1,391,777.19 = 422,406.08/x
  3. Step 3: Cross multiply
    927,962.72x = 1,391,777.19 × 422,406.08
  4. Step 4: Simplify right side
    927,962.72x = 587,895,140,102.43
  5. Step 5: Solve for x
    x = 587,895,140,102.43/927,962.72
  6. Step 6: Final answer
    x = 633,533.15

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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.