Home / 540,668.18-746,069.48-298,917.65

Finding the Fourth Proportional to 540,668.18, 746,069.48 and 298,917.65

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Solution

The fourth proportional to 540,668.18, 746,069.48 and 298,917.65 is: 412,477.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,668.18 : 746,069.48 = 298,917.65 : x
  2. Step 2: Convert to fraction form
    540,668.18/746,069.48 = 298,917.65/x
  3. Step 3: Cross multiply
    540,668.18x = 746,069.48 × 298,917.65
  4. Step 4: Simplify right side
    540,668.18x = 223,013,335,698.32
  5. Step 5: Solve for x
    x = 223,013,335,698.32/540,668.18
  6. Step 6: Final answer
    x = 412,477.27

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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.