Home / 741,558.35-1,023,378.08-419,249.22

Finding the Fourth Proportional to 741,558.35, 1,023,378.08 and 419,249.22

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Solution

The fourth proportional to 741,558.35, 1,023,378.08 and 419,249.22 is: 578,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,558.35 : 1,023,378.08 = 419,249.22 : x
  2. Step 2: Convert to fraction form
    741,558.35/1,023,378.08 = 419,249.22/x
  3. Step 3: Cross multiply
    741,558.35x = 1,023,378.08 × 419,249.22
  4. Step 4: Simplify right side
    741,558.35x = 429,050,461,805.10
  5. Step 5: Solve for x
    x = 429,050,461,805.10/741,558.35
  6. Step 6: Final answer
    x = 578,579.50

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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.