Home / 552,741.58-827,783.72-315,364.60

Finding the Fourth Proportional to 552,741.58, 827,783.72 and 315,364.60

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Solution

The fourth proportional to 552,741.58, 827,783.72 and 315,364.60 is: 472,288.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,741.58 : 827,783.72 = 315,364.60 : x
  2. Step 2: Convert to fraction form
    552,741.58/827,783.72 = 315,364.60/x
  3. Step 3: Cross multiply
    552,741.58x = 827,783.72 × 315,364.60
  4. Step 4: Simplify right side
    552,741.58x = 261,053,681,744.31
  5. Step 5: Solve for x
    x = 261,053,681,744.31/552,741.58
  6. Step 6: Final answer
    x = 472,288.84

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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.