Home / 766,403.06-1,057,636.53-444,299.90

Finding the Fourth Proportional to 766,403.06, 1,057,636.53 and 444,299.90

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Solution

The fourth proportional to 766,403.06, 1,057,636.53 and 444,299.90 is: 613,134.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,403.06 : 1,057,636.53 = 444,299.90 : x
  2. Step 2: Convert to fraction form
    766,403.06/1,057,636.53 = 444,299.90/x
  3. Step 3: Cross multiply
    766,403.06x = 1,057,636.53 × 444,299.90
  4. Step 4: Simplify right side
    766,403.06x = 469,907,804,515.35
  5. Step 5: Solve for x
    x = 469,907,804,515.35/766,403.06
  6. Step 6: Final answer
    x = 613,134.04

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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.