Home / 826,034.07-1,139,999.15-481,980.84

Finding the Fourth Proportional to 826,034.07, 1,139,999.15 and 481,980.84

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Solution

The fourth proportional to 826,034.07, 1,139,999.15 and 481,980.84 is: 665,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,034.07 : 1,139,999.15 = 481,980.84 : x
  2. Step 2: Convert to fraction form
    826,034.07/1,139,999.15 = 481,980.84/x
  3. Step 3: Cross multiply
    826,034.07x = 1,139,999.15 × 481,980.84
  4. Step 4: Simplify right side
    826,034.07x = 549,457,751,258.74
  5. Step 5: Solve for x
    x = 549,457,751,258.74/826,034.07
  6. Step 6: Final answer
    x = 665,175.65

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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.