Home / 989,097.05-1,483,629.48-315,169.25

Finding the Fourth Proportional to 989,097.05, 1,483,629.48 and 315,169.25

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Solution

The fourth proportional to 989,097.05, 1,483,629.48 and 315,169.25 is: 472,748.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,097.05 : 1,483,629.48 = 315,169.25 : x
  2. Step 2: Convert to fraction form
    989,097.05/1,483,629.48 = 315,169.25/x
  3. Step 3: Cross multiply
    989,097.05x = 1,483,629.48 × 315,169.25
  4. Step 4: Simplify right side
    989,097.05x = 467,594,390,489.49
  5. Step 5: Solve for x
    x = 467,594,390,489.49/989,097.05
  6. Step 6: Final answer
    x = 472,748.75

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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.