Home / 830,803.34-1,246,214.88-231,728.06

Finding the Fourth Proportional to 830,803.34, 1,246,214.88 and 231,728.06

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Solution

The fourth proportional to 830,803.34, 1,246,214.88 and 231,728.06 is: 347,594.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,803.34 : 1,246,214.88 = 231,728.06 : x
  2. Step 2: Convert to fraction form
    830,803.34/1,246,214.88 = 231,728.06/x
  3. Step 3: Cross multiply
    830,803.34x = 1,246,214.88 × 231,728.06
  4. Step 4: Simplify right side
    830,803.34x = 288,782,956,485.53
  5. Step 5: Solve for x
    x = 288,782,956,485.53/830,803.34
  6. Step 6: Final answer
    x = 347,594.84

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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.