Home / 738,934.94-1,108,817.52-401,999.12

Finding the Fourth Proportional to 738,934.94, 1,108,817.52 and 401,999.12

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Solution

The fourth proportional to 738,934.94, 1,108,817.52 and 401,999.12 is: 603,224.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,934.94 : 1,108,817.52 = 401,999.12 : x
  2. Step 2: Convert to fraction form
    738,934.94/1,108,817.52 = 401,999.12/x
  3. Step 3: Cross multiply
    738,934.94x = 1,108,817.52 × 401,999.12
  4. Step 4: Simplify right side
    738,934.94x = 445,743,667,280.58
  5. Step 5: Solve for x
    x = 445,743,667,280.58/738,934.94
  6. Step 6: Final answer
    x = 603,224.51

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1.5x scale

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.