Home / 946,896.12-1,420,438.95-272,993.94

Finding the Fourth Proportional to 946,896.12, 1,420,438.95 and 272,993.94

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Solution

The fourth proportional to 946,896.12, 1,420,438.95 and 272,993.94 is: 409,518.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,896.12 : 1,420,438.95 = 272,993.94 : x
  2. Step 2: Convert to fraction form
    946,896.12/1,420,438.95 = 272,993.94/x
  3. Step 3: Cross multiply
    946,896.12x = 1,420,438.95 × 272,993.94
  4. Step 4: Simplify right side
    946,896.12x = 387,771,225,489.96
  5. Step 5: Solve for x
    x = 387,771,225,489.96/946,896.12
  6. Step 6: Final answer
    x = 409,518.23

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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.