Home / 790,059.44-1,090,281.32-445,967.80

Finding the Fourth Proportional to 790,059.44, 1,090,281.32 and 445,967.80

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Solution

The fourth proportional to 790,059.44, 1,090,281.32 and 445,967.80 is: 615,435.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,059.44 : 1,090,281.32 = 445,967.80 : x
  2. Step 2: Convert to fraction form
    790,059.44/1,090,281.32 = 445,967.80/x
  3. Step 3: Cross multiply
    790,059.44x = 1,090,281.32 × 445,967.80
  4. Step 4: Simplify right side
    790,059.44x = 486,230,361,661.50
  5. Step 5: Solve for x
    x = 486,230,361,661.50/790,059.44
  6. Step 6: Final answer
    x = 615,435.16

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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.