Home / 798,997.65-1,198,751.72-286,316.60

Finding the Fourth Proportional to 798,997.65, 1,198,751.72 and 286,316.60

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Solution

The fourth proportional to 798,997.65, 1,198,751.72 and 286,316.60 is: 429,566.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,997.65 : 1,198,751.72 = 286,316.60 : x
  2. Step 2: Convert to fraction form
    798,997.65/1,198,751.72 = 286,316.60/x
  3. Step 3: Cross multiply
    798,997.65x = 1,198,751.72 × 286,316.60
  4. Step 4: Simplify right side
    798,997.65x = 343,222,509,289.21
  5. Step 5: Solve for x
    x = 343,222,509,289.21/798,997.65
  6. Step 6: Final answer
    x = 429,566.36

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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.