Home / 848,685.87-1,273,636.85-308,941.02

Finding the Fourth Proportional to 848,685.87, 1,273,636.85 and 308,941.02

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Solution

The fourth proportional to 848,685.87, 1,273,636.85 and 308,941.02 is: 463,632.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,685.87 : 1,273,636.85 = 308,941.02 : x
  2. Step 2: Convert to fraction form
    848,685.87/1,273,636.85 = 308,941.02/x
  3. Step 3: Cross multiply
    848,685.87x = 1,273,636.85 × 308,941.02
  4. Step 4: Simplify right side
    848,685.87x = 393,478,666,003.88
  5. Step 5: Solve for x
    x = 393,478,666,003.88/848,685.87
  6. Step 6: Final answer
    x = 463,632.87

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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.