Home / 741,841.56-1,023,741.90-402,309.80

Finding the Fourth Proportional to 741,841.56, 1,023,741.90 and 402,309.80

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Solution

The fourth proportional to 741,841.56, 1,023,741.90 and 402,309.80 is: 555,187.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,841.56 : 1,023,741.90 = 402,309.80 : x
  2. Step 2: Convert to fraction form
    741,841.56/1,023,741.90 = 402,309.80/x
  3. Step 3: Cross multiply
    741,841.56x = 1,023,741.90 × 402,309.80
  4. Step 4: Simplify right side
    741,841.56x = 411,861,399,040.62
  5. Step 5: Solve for x
    x = 411,861,399,040.62/741,841.56
  6. Step 6: Final answer
    x = 555,187.82

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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.