Home / 863,670.60-1,295,505.90-302,705.10

Finding the Fourth Proportional to 863,670.60, 1,295,505.90 and 302,705.10

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Solution

The fourth proportional to 863,670.60, 1,295,505.90 and 302,705.10 is: 454,057.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,670.60 : 1,295,505.90 = 302,705.10 : x
  2. Step 2: Convert to fraction form
    863,670.60/1,295,505.90 = 302,705.10/x
  3. Step 3: Cross multiply
    863,670.60x = 1,295,505.90 × 302,705.10
  4. Step 4: Simplify right side
    863,670.60x = 392,156,243,010.09
  5. Step 5: Solve for x
    x = 392,156,243,010.09/863,670.60
  6. Step 6: Final answer
    x = 454,057.65

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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.