Home / 979,801.65-1,469,702.58-305,940.68

Finding the Fourth Proportional to 979,801.65, 1,469,702.58 and 305,940.68

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Solution

The fourth proportional to 979,801.65, 1,469,702.58 and 305,940.68 is: 458,911.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,801.65 : 1,469,702.58 = 305,940.68 : x
  2. Step 2: Convert to fraction form
    979,801.65/1,469,702.58 = 305,940.68/x
  3. Step 3: Cross multiply
    979,801.65x = 1,469,702.58 × 305,940.68
  4. Step 4: Simplify right side
    979,801.65x = 449,641,803,738.55
  5. Step 5: Solve for x
    x = 449,641,803,738.55/979,801.65
  6. Step 6: Final answer
    x = 458,911.05

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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.