Home / 666,635.34-1,000,146.67-240,163.05

Finding the Fourth Proportional to 666,635.34, 1,000,146.67 and 240,163.05

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Solution

The fourth proportional to 666,635.34, 1,000,146.67 and 240,163.05 is: 360,314.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,635.34 : 1,000,146.67 = 240,163.05 : x
  2. Step 2: Convert to fraction form
    666,635.34/1,000,146.67 = 240,163.05/x
  3. Step 3: Cross multiply
    666,635.34x = 1,000,146.67 × 240,163.05
  4. Step 4: Simplify right side
    666,635.34x = 240,198,272,238.86
  5. Step 5: Solve for x
    x = 240,198,272,238.86/666,635.34
  6. Step 6: Final answer
    x = 360,314.34

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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.