Home / 830,913.52-1,246,580.55-231,874.60

Finding the Fourth Proportional to 830,913.52, 1,246,580.55 and 231,874.60

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Solution

The fourth proportional to 830,913.52, 1,246,580.55 and 231,874.60 is: 347,870.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,913.52 : 1,246,580.55 = 231,874.60 : x
  2. Step 2: Convert to fraction form
    830,913.52/1,246,580.55 = 231,874.60/x
  3. Step 3: Cross multiply
    830,913.52x = 1,246,580.55 × 231,874.60
  4. Step 4: Simplify right side
    830,913.52x = 289,050,366,399.03
  5. Step 5: Solve for x
    x = 289,050,366,399.03/830,913.52
  6. Step 6: Final answer
    x = 347,870.58

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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.