Home / 845,498.56-1,268,408.04-445,761.40

Finding the Fourth Proportional to 845,498.56, 1,268,408.04 and 445,761.40

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Solution

The fourth proportional to 845,498.56, 1,268,408.04 and 445,761.40 is: 668,726.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,498.56 : 1,268,408.04 = 445,761.40 : x
  2. Step 2: Convert to fraction form
    845,498.56/1,268,408.04 = 445,761.40/x
  3. Step 3: Cross multiply
    845,498.56x = 1,268,408.04 × 445,761.40
  4. Step 4: Simplify right side
    845,498.56x = 565,407,343,681.66
  5. Step 5: Solve for x
    x = 565,407,343,681.66/845,498.56
  6. Step 6: Final answer
    x = 668,726.56

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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.