Home / 999,884.96-1,500,047.76-289,942.64

Finding the Fourth Proportional to 999,884.96, 1,500,047.76 and 289,942.64

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Solution

The fourth proportional to 999,884.96, 1,500,047.76 and 289,942.64 is: 434,977.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,884.96 : 1,500,047.76 = 289,942.64 : x
  2. Step 2: Convert to fraction form
    999,884.96/1,500,047.76 = 289,942.64/x
  3. Step 3: Cross multiply
    999,884.96x = 1,500,047.76 × 289,942.64
  4. Step 4: Simplify right side
    999,884.96x = 434,927,807,660.49
  5. Step 5: Solve for x
    x = 434,927,807,660.49/999,884.96
  6. Step 6: Final answer
    x = 434,977.85

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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.