Home / 666,560.46-1,000,091.28-396,844.23

Finding the Fourth Proportional to 666,560.46, 1,000,091.28 and 396,844.23

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Solution

The fourth proportional to 666,560.46, 1,000,091.28 and 396,844.23 is: 595,415.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,560.46 : 1,000,091.28 = 396,844.23 : x
  2. Step 2: Convert to fraction form
    666,560.46/1,000,091.28 = 396,844.23/x
  3. Step 3: Cross multiply
    666,560.46x = 1,000,091.28 × 396,844.23
  4. Step 4: Simplify right side
    666,560.46x = 396,880,453,941.31
  5. Step 5: Solve for x
    x = 396,880,453,941.31/666,560.46
  6. Step 6: Final answer
    x = 595,415.54

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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.