Home / 969,327.75-1,453,318.31-429,289.75

Finding the Fourth Proportional to 969,327.75, 1,453,318.31 and 429,289.75

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Solution

The fourth proportional to 969,327.75, 1,453,318.31 and 429,289.75 is: 643,636.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,327.75 : 1,453,318.31 = 429,289.75 : x
  2. Step 2: Convert to fraction form
    969,327.75/1,453,318.31 = 429,289.75/x
  3. Step 3: Cross multiply
    969,327.75x = 1,453,318.31 × 429,289.75
  4. Step 4: Simplify right side
    969,327.75x = 623,894,653,970.32
  5. Step 5: Solve for x
    x = 623,894,653,970.32/969,327.75
  6. Step 6: Final answer
    x = 643,636.43

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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.