Home / 845,366.60-1,269,175.80-490,635.20

Finding the Fourth Proportional to 845,366.60, 1,269,175.80 and 490,635.20

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Solution

The fourth proportional to 845,366.60, 1,269,175.80 and 490,635.20 is: 736,606.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,366.60 : 1,269,175.80 = 490,635.20 : x
  2. Step 2: Convert to fraction form
    845,366.60/1,269,175.80 = 490,635.20/x
  3. Step 3: Cross multiply
    845,366.60x = 1,269,175.80 × 490,635.20
  4. Step 4: Simplify right side
    845,366.60x = 622,702,322,468.16
  5. Step 5: Solve for x
    x = 622,702,322,468.16/845,366.60
  6. Step 6: Final answer
    x = 736,606.25

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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.