Home / 984,900.45-1,476,326.40-415,806.60

Finding the Fourth Proportional to 984,900.45, 1,476,326.40 and 415,806.60

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Solution

The fourth proportional to 984,900.45, 1,476,326.40 and 415,806.60 is: 623,277.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,900.45 : 1,476,326.40 = 415,806.60 : x
  2. Step 2: Convert to fraction form
    984,900.45/1,476,326.40 = 415,806.60/x
  3. Step 3: Cross multiply
    984,900.45x = 1,476,326.40 × 415,806.60
  4. Step 4: Simplify right side
    984,900.45x = 613,866,260,874.24
  5. Step 5: Solve for x
    x = 613,866,260,874.24/984,900.45
  6. Step 6: Final answer
    x = 623,277.47

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1.5x scale

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.