Home / 746,759.58-1,030,500.81-407,220.54

Finding the Fourth Proportional to 746,759.58, 1,030,500.81 and 407,220.54

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Solution

The fourth proportional to 746,759.58, 1,030,500.81 and 407,220.54 is: 561,949.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,759.58 : 1,030,500.81 = 407,220.54 : x
  2. Step 2: Convert to fraction form
    746,759.58/1,030,500.81 = 407,220.54/x
  3. Step 3: Cross multiply
    746,759.58x = 1,030,500.81 × 407,220.54
  4. Step 4: Simplify right side
    746,759.58x = 419,641,096,318.64
  5. Step 5: Solve for x
    x = 419,641,096,318.64/746,759.58
  6. Step 6: Final answer
    x = 561,949.40

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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.