Home / 845,264.22-1,267,229.25-418,946.85

Finding the Fourth Proportional to 845,264.22, 1,267,229.25 and 418,946.85

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Solution

The fourth proportional to 845,264.22, 1,267,229.25 and 418,946.85 is: 628,089.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,264.22 : 1,267,229.25 = 418,946.85 : x
  2. Step 2: Convert to fraction form
    845,264.22/1,267,229.25 = 418,946.85/x
  3. Step 3: Cross multiply
    845,264.22x = 1,267,229.25 × 418,946.85
  4. Step 4: Simplify right side
    845,264.22x = 530,901,702,515.36
  5. Step 5: Solve for x
    x = 530,901,702,515.36/845,264.22
  6. Step 6: Final answer
    x = 628,089.64

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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.