Home / 984,300.88-1,475,926.32-509,809.36

Finding the Fourth Proportional to 984,300.88, 1,475,926.32 and 509,809.36

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Solution

The fourth proportional to 984,300.88, 1,475,926.32 and 509,809.36 is: 764,442.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,300.88 : 1,475,926.32 = 509,809.36 : x
  2. Step 2: Convert to fraction form
    984,300.88/1,475,926.32 = 509,809.36/x
  3. Step 3: Cross multiply
    984,300.88x = 1,475,926.32 × 509,809.36
  4. Step 4: Simplify right side
    984,300.88x = 752,441,052,606.36
  5. Step 5: Solve for x
    x = 752,441,052,606.36/984,300.88
  6. Step 6: Final answer
    x = 764,442.12

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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.