Home / 834,433.38-1,251,235.94-265,740.32

Finding the Fourth Proportional to 834,433.38, 1,251,235.94 and 265,740.32

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Solution

The fourth proportional to 834,433.38, 1,251,235.94 and 265,740.32 is: 398,478.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,433.38 : 1,251,235.94 = 265,740.32 : x
  2. Step 2: Convert to fraction form
    834,433.38/1,251,235.94 = 265,740.32/x
  3. Step 3: Cross multiply
    834,433.38x = 1,251,235.94 × 265,740.32
  4. Step 4: Simplify right side
    834,433.38x = 332,503,831,506.22
  5. Step 5: Solve for x
    x = 332,503,831,506.22/834,433.38
  6. Step 6: Final answer
    x = 398,478.58

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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.