Home / 628,077.12-942,098.04-201,609.60

Finding the Fourth Proportional to 628,077.12, 942,098.04 and 201,609.60

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Solution

The fourth proportional to 628,077.12, 942,098.04 and 201,609.60 is: 302,408.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,077.12 : 942,098.04 = 201,609.60 : x
  2. Step 2: Convert to fraction form
    628,077.12/942,098.04 = 201,609.60/x
  3. Step 3: Cross multiply
    628,077.12x = 942,098.04 × 201,609.60
  4. Step 4: Simplify right side
    628,077.12x = 189,936,009,005.18
  5. Step 5: Solve for x
    x = 189,936,009,005.18/628,077.12
  6. Step 6: Final answer
    x = 302,408.74

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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.