Home / 790,059.94-1,090,282.01-445,968.30

Finding the Fourth Proportional to 790,059.94, 1,090,282.01 and 445,968.30

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Solution

The fourth proportional to 790,059.94, 1,090,282.01 and 445,968.30 is: 615,435.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,059.94 : 1,090,282.01 = 445,968.30 : x
  2. Step 2: Convert to fraction form
    790,059.94/1,090,282.01 = 445,968.30/x
  3. Step 3: Cross multiply
    790,059.94x = 1,090,282.01 × 445,968.30
  4. Step 4: Simplify right side
    790,059.94x = 486,231,214,520.28
  5. Step 5: Solve for x
    x = 486,231,214,520.28/790,059.94
  6. Step 6: Final answer
    x = 615,435.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.