Home / 741,530.56-1,023,272.80-419,221.48

Finding the Fourth Proportional to 741,530.56, 1,023,272.80 and 419,221.48

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Solution

The fourth proportional to 741,530.56, 1,023,272.80 and 419,221.48 is: 578,503.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,530.56 : 1,023,272.80 = 419,221.48 : x
  2. Step 2: Convert to fraction form
    741,530.56/1,023,272.80 = 419,221.48/x
  3. Step 3: Cross multiply
    741,530.56x = 1,023,272.80 × 419,221.48
  4. Step 4: Simplify right side
    741,530.56x = 428,977,937,659.74
  5. Step 5: Solve for x
    x = 428,977,937,659.74/741,530.56
  6. Step 6: Final answer
    x = 578,503.38

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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.