Home / 984,378.40-1,476,135.60-451,722.40

Finding the Fourth Proportional to 984,378.40, 1,476,135.60 and 451,722.40

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Solution

The fourth proportional to 984,378.40, 1,476,135.60 and 451,722.40 is: 677,385.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,378.40 : 1,476,135.60 = 451,722.40 : x
  2. Step 2: Convert to fraction form
    984,378.40/1,476,135.60 = 451,722.40/x
  3. Step 3: Cross multiply
    984,378.40x = 1,476,135.60 × 451,722.40
  4. Step 4: Simplify right side
    984,378.40x = 666,803,515,957.44
  5. Step 5: Solve for x
    x = 666,803,515,957.44/984,378.40
  6. Step 6: Final answer
    x = 677,385.36

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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.