Home / 756,246.60-1,133,300.70-419,435.64

Finding the Fourth Proportional to 756,246.60, 1,133,300.70 and 419,435.64

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Solution

The fourth proportional to 756,246.60, 1,133,300.70 and 419,435.64 is: 628,560.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,246.60 : 1,133,300.70 = 419,435.64 : x
  2. Step 2: Convert to fraction form
    756,246.60/1,133,300.70 = 419,435.64/x
  3. Step 3: Cross multiply
    756,246.60x = 1,133,300.70 × 419,435.64
  4. Step 4: Simplify right side
    756,246.60x = 475,346,704,416.95
  5. Step 5: Solve for x
    x = 475,346,704,416.95/756,246.60
  6. Step 6: Final answer
    x = 628,560.45

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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.