Home / 845,079.20-1,267,618.80-346,800.80

Finding the Fourth Proportional to 845,079.20, 1,267,618.80 and 346,800.80

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Solution

The fourth proportional to 845,079.20, 1,267,618.80 and 346,800.80 is: 520,201.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,079.20 : 1,267,618.80 = 346,800.80 : x
  2. Step 2: Convert to fraction form
    845,079.20/1,267,618.80 = 346,800.80/x
  3. Step 3: Cross multiply
    845,079.20x = 1,267,618.80 × 346,800.80
  4. Step 4: Simplify right side
    845,079.20x = 439,611,213,935.04
  5. Step 5: Solve for x
    x = 439,611,213,935.04/845,079.20
  6. Step 6: Final answer
    x = 520,201.20

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Double scale
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Similar ratio
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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.