Home / 848,689.62-1,273,642.47-308,944.77

Finding the Fourth Proportional to 848,689.62, 1,273,642.47 and 308,944.77

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Solution

The fourth proportional to 848,689.62, 1,273,642.47 and 308,944.77 is: 463,638.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,689.62 : 1,273,642.47 = 308,944.77 : x
  2. Step 2: Convert to fraction form
    848,689.62/1,273,642.47 = 308,944.77/x
  3. Step 3: Cross multiply
    848,689.62x = 1,273,642.47 × 308,944.77
  4. Step 4: Simplify right side
    848,689.62x = 393,485,179,956.38
  5. Step 5: Solve for x
    x = 393,485,179,956.38/848,689.62
  6. Step 6: Final answer
    x = 463,638.50

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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.