Home / 798,980.69-1,102,586.78-436,404.80

Finding the Fourth Proportional to 798,980.69, 1,102,586.78 and 436,404.80

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Solution

The fourth proportional to 798,980.69, 1,102,586.78 and 436,404.80 is: 602,235.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,980.69 : 1,102,586.78 = 436,404.80 : x
  2. Step 2: Convert to fraction form
    798,980.69/1,102,586.78 = 436,404.80/x
  3. Step 3: Cross multiply
    798,980.69x = 1,102,586.78 × 436,404.80
  4. Step 4: Simplify right side
    798,980.69x = 481,174,155,513.59
  5. Step 5: Solve for x
    x = 481,174,155,513.59/798,980.69
  6. Step 6: Final answer
    x = 602,235.03

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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.