Home / 846,172.22-1,269,258.80-420,002.46

Finding the Fourth Proportional to 846,172.22, 1,269,258.80 and 420,002.46

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Solution

The fourth proportional to 846,172.22, 1,269,258.80 and 420,002.46 is: 630,003.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,172.22 : 1,269,258.80 = 420,002.46 : x
  2. Step 2: Convert to fraction form
    846,172.22/1,269,258.80 = 420,002.46/x
  3. Step 3: Cross multiply
    846,172.22x = 1,269,258.80 × 420,002.46
  4. Step 4: Simplify right side
    846,172.22x = 533,091,816,276.64
  5. Step 5: Solve for x
    x = 533,091,816,276.64/846,172.22
  6. Step 6: Final answer
    x = 630,003.92

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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.