Home / 628,328.85-942,181.76-223,460.34

Finding the Fourth Proportional to 628,328.85, 942,181.76 and 223,460.34

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Solution

The fourth proportional to 628,328.85, 942,181.76 and 223,460.34 is: 335,079.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,328.85 : 942,181.76 = 223,460.34 : x
  2. Step 2: Convert to fraction form
    628,328.85/942,181.76 = 223,460.34/x
  3. Step 3: Cross multiply
    628,328.85x = 942,181.76 × 223,460.34
  4. Step 4: Simplify right side
    628,328.85x = 210,540,252,199.90
  5. Step 5: Solve for x
    x = 210,540,252,199.90/628,328.85
  6. Step 6: Final answer
    x = 335,079.72

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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.