Home / 855,145.48-1,282,917.82-247,946.48

Finding the Fourth Proportional to 855,145.48, 1,282,917.82 and 247,946.48

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Solution

The fourth proportional to 855,145.48, 1,282,917.82 and 247,946.48 is: 371,977.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,145.48 : 1,282,917.82 = 247,946.48 : x
  2. Step 2: Convert to fraction form
    855,145.48/1,282,917.82 = 247,946.48/x
  3. Step 3: Cross multiply
    855,145.48x = 1,282,917.82 × 247,946.48
  4. Step 4: Simplify right side
    855,145.48x = 318,094,957,598.27
  5. Step 5: Solve for x
    x = 318,094,957,598.27/855,145.48
  6. Step 6: Final answer
    x = 371,977.59

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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.