Home / 830,718.40-1,244,234.40-331,825.60

Finding the Fourth Proportional to 830,718.40, 1,244,234.40 and 331,825.60

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Solution

The fourth proportional to 830,718.40, 1,244,234.40 and 331,825.60 is: 497,002.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,718.40 : 1,244,234.40 = 331,825.60 : x
  2. Step 2: Convert to fraction form
    830,718.40/1,244,234.40 = 331,825.60/x
  3. Step 3: Cross multiply
    830,718.40x = 1,244,234.40 × 331,825.60
  4. Step 4: Simplify right side
    830,718.40x = 412,868,826,320.64
  5. Step 5: Solve for x
    x = 412,868,826,320.64/830,718.40
  6. Step 6: Final answer
    x = 497,002.14

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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.