Home / 835,318.89-1,252,697.52-302,728.41

Finding the Fourth Proportional to 835,318.89, 1,252,697.52 and 302,728.41

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Solution

The fourth proportional to 835,318.89, 1,252,697.52 and 302,728.41 is: 453,990.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,318.89 : 1,252,697.52 = 302,728.41 : x
  2. Step 2: Convert to fraction form
    835,318.89/1,252,697.52 = 302,728.41/x
  3. Step 3: Cross multiply
    835,318.89x = 1,252,697.52 × 302,728.41
  4. Step 4: Simplify right side
    835,318.89x = 379,227,128,440.54
  5. Step 5: Solve for x
    x = 379,227,128,440.54/835,318.89
  6. Step 6: Final answer
    x = 453,990.84

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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.