Home / 456,234.60-684,740.70-203,903.40

Finding the Fourth Proportional to 456,234.60, 684,740.70 and 203,903.40

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Solution

The fourth proportional to 456,234.60, 684,740.70 and 203,903.40 is: 306,028.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,234.60 : 684,740.70 = 203,903.40 : x
  2. Step 2: Convert to fraction form
    456,234.60/684,740.70 = 203,903.40/x
  3. Step 3: Cross multiply
    456,234.60x = 684,740.70 × 203,903.40
  4. Step 4: Simplify right side
    456,234.60x = 139,620,956,848.38
  5. Step 5: Solve for x
    x = 139,620,956,848.38/456,234.60
  6. Step 6: Final answer
    x = 306,028.87

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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.