Home / 738,942.30-1,019,738.70-416,650.53

Finding the Fourth Proportional to 738,942.30, 1,019,738.70 and 416,650.53

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Solution

The fourth proportional to 738,942.30, 1,019,738.70 and 416,650.53 is: 574,976.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,942.30 : 1,019,738.70 = 416,650.53 : x
  2. Step 2: Convert to fraction form
    738,942.30/1,019,738.70 = 416,650.53/x
  3. Step 3: Cross multiply
    738,942.30x = 1,019,738.70 × 416,650.53
  4. Step 4: Simplify right side
    738,942.30x = 424,874,669,816.51
  5. Step 5: Solve for x
    x = 424,874,669,816.51/738,942.30
  6. Step 6: Final answer
    x = 574,976.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.