Home / 990,719.94-1,485,611.50-383,792.53

Finding the Fourth Proportional to 990,719.94, 1,485,611.50 and 383,792.53

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Solution

The fourth proportional to 990,719.94, 1,485,611.50 and 383,792.53 is: 575,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,719.94 : 1,485,611.50 = 383,792.53 : x
  2. Step 2: Convert to fraction form
    990,719.94/1,485,611.50 = 383,792.53/x
  3. Step 3: Cross multiply
    990,719.94x = 1,485,611.50 × 383,792.53
  4. Step 4: Simplify right side
    990,719.94x = 570,166,595,013.72
  5. Step 5: Solve for x
    x = 570,166,595,013.72/990,719.94
  6. Step 6: Final answer
    x = 575,507.34

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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.