Home / 848,362.78-1,170,671.01-499,447.79

Finding the Fourth Proportional to 848,362.78, 1,170,671.01 and 499,447.79

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Solution

The fourth proportional to 848,362.78, 1,170,671.01 and 499,447.79 is: 689,196.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,362.78 : 1,170,671.01 = 499,447.79 : x
  2. Step 2: Convert to fraction form
    848,362.78/1,170,671.01 = 499,447.79/x
  3. Step 3: Cross multiply
    848,362.78x = 1,170,671.01 × 499,447.79
  4. Step 4: Simplify right side
    848,362.78x = 584,689,042,908.21
  5. Step 5: Solve for x
    x = 584,689,042,908.21/848,362.78
  6. Step 6: Final answer
    x = 689,196.96

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Double scale
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1.5x scale

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.