Home / 788,558.40-1,183,006.08-289,922.40

Finding the Fourth Proportional to 788,558.40, 1,183,006.08 and 289,922.40

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Solution

The fourth proportional to 788,558.40, 1,183,006.08 and 289,922.40 is: 434,945.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,558.40 : 1,183,006.08 = 289,922.40 : x
  2. Step 2: Convert to fraction form
    788,558.40/1,183,006.08 = 289,922.40/x
  3. Step 3: Cross multiply
    788,558.40x = 1,183,006.08 × 289,922.40
  4. Step 4: Simplify right side
    788,558.40x = 342,979,961,928.19
  5. Step 5: Solve for x
    x = 342,979,961,928.19/788,558.40
  6. Step 6: Final answer
    x = 434,945.54

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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.