Home / 628,770.72-942,587.20-229,317.92

Finding the Fourth Proportional to 628,770.72, 942,587.20 and 229,317.92

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Solution

The fourth proportional to 628,770.72, 942,587.20 and 229,317.92 is: 343,769.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,770.72 : 942,587.20 = 229,317.92 : x
  2. Step 2: Convert to fraction form
    628,770.72/942,587.20 = 229,317.92/x
  3. Step 3: Cross multiply
    628,770.72x = 942,587.20 × 229,317.92
  4. Step 4: Simplify right side
    628,770.72x = 216,152,136,122.62
  5. Step 5: Solve for x
    x = 216,152,136,122.62/628,770.72
  6. Step 6: Final answer
    x = 343,769.40

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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.