Home / 984,339.28-1,475,357.10-451,911.70

Finding the Fourth Proportional to 984,339.28, 1,475,357.10 and 451,911.70

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Solution

The fourth proportional to 984,339.28, 1,475,357.10 and 451,911.70 is: 677,338.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,339.28 : 1,475,357.10 = 451,911.70 : x
  2. Step 2: Convert to fraction form
    984,339.28/1,475,357.10 = 451,911.70/x
  3. Step 3: Cross multiply
    984,339.28x = 1,475,357.10 × 451,911.70
  4. Step 4: Simplify right side
    984,339.28x = 666,731,135,168.07
  5. Step 5: Solve for x
    x = 666,731,135,168.07/984,339.28
  6. Step 6: Final answer
    x = 677,338.75

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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.