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Finding the Fourth Proportional to 628,557.60, 942,836.40 and 229,211.40

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Solution

The fourth proportional to 628,557.60, 942,836.40 and 229,211.40 is: 343,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,557.60 : 942,836.40 = 229,211.40 : x
  2. Step 2: Convert to fraction form
    628,557.60/942,836.40 = 229,211.40/x
  3. Step 3: Cross multiply
    628,557.60x = 942,836.40 × 229,211.40
  4. Step 4: Simplify right side
    628,557.60x = 216,108,851,214.96
  5. Step 5: Solve for x
    x = 216,108,851,214.96/628,557.60
  6. Step 6: Final answer
    x = 343,817.10

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Similar ratio
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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.