Home / 830,852.94-1,246,489.48-231,813.78

Finding the Fourth Proportional to 830,852.94, 1,246,489.48 and 231,813.78

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Solution

The fourth proportional to 830,852.94, 1,246,489.48 and 231,813.78 is: 347,779.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,852.94 : 1,246,489.48 = 231,813.78 : x
  2. Step 2: Convert to fraction form
    830,852.94/1,246,489.48 = 231,813.78/x
  3. Step 3: Cross multiply
    830,852.94x = 1,246,489.48 × 231,813.78
  4. Step 4: Simplify right side
    830,852.94x = 288,953,438,089.03
  5. Step 5: Solve for x
    x = 288,953,438,089.03/830,852.94
  6. Step 6: Final answer
    x = 347,779.28

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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.