Home / 807,622.40-1,211,433.60-246,656.90

Finding the Fourth Proportional to 807,622.40, 1,211,433.60 and 246,656.90

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Solution

The fourth proportional to 807,622.40, 1,211,433.60 and 246,656.90 is: 369,985.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,622.40 : 1,211,433.60 = 246,656.90 : x
  2. Step 2: Convert to fraction form
    807,622.40/1,211,433.60 = 246,656.90/x
  3. Step 3: Cross multiply
    807,622.40x = 1,211,433.60 × 246,656.90
  4. Step 4: Simplify right side
    807,622.40x = 298,808,456,331.84
  5. Step 5: Solve for x
    x = 298,808,456,331.84/807,622.40
  6. Step 6: Final answer
    x = 369,985.35

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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.