Home / 966,646.60-1,449,969.90-434,422.60

Finding the Fourth Proportional to 966,646.60, 1,449,969.90 and 434,422.60

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Solution

The fourth proportional to 966,646.60, 1,449,969.90 and 434,422.60 is: 651,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,646.60 : 1,449,969.90 = 434,422.60 : x
  2. Step 2: Convert to fraction form
    966,646.60/1,449,969.90 = 434,422.60/x
  3. Step 3: Cross multiply
    966,646.60x = 1,449,969.90 × 434,422.60
  4. Step 4: Simplify right side
    966,646.60x = 629,899,693,879.74
  5. Step 5: Solve for x
    x = 629,899,693,879.74/966,646.60
  6. Step 6: Final answer
    x = 651,633.90

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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.