Home / 830,293.02-1,245,440.70-231,255.90

Finding the Fourth Proportional to 830,293.02, 1,245,440.70 and 231,255.90

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Solution

The fourth proportional to 830,293.02, 1,245,440.70 and 231,255.90 is: 346,884.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,293.02 : 1,245,440.70 = 231,255.90 : x
  2. Step 2: Convert to fraction form
    830,293.02/1,245,440.70 = 231,255.90/x
  3. Step 3: Cross multiply
    830,293.02x = 1,245,440.70 × 231,255.90
  4. Step 4: Simplify right side
    830,293.02x = 288,015,509,975.13
  5. Step 5: Solve for x
    x = 288,015,509,975.13/830,293.02
  6. Step 6: Final answer
    x = 346,884.18

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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.