Home / 854,368.77-1,281,629.70-247,147.55

Finding the Fourth Proportional to 854,368.77, 1,281,629.70 and 247,147.55

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Solution

The fourth proportional to 854,368.77, 1,281,629.70 and 247,147.55 is: 370,743.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,368.77 : 1,281,629.70 = 247,147.55 : x
  2. Step 2: Convert to fraction form
    854,368.77/1,281,629.70 = 247,147.55/x
  3. Step 3: Cross multiply
    854,368.77x = 1,281,629.70 × 247,147.55
  4. Step 4: Simplify right side
    854,368.77x = 316,751,633,954.09
  5. Step 5: Solve for x
    x = 316,751,633,954.09/854,368.77
  6. Step 6: Final answer
    x = 370,743.46

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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.