Home / 855,205.40-1,282,505.70-294,109.40

Finding the Fourth Proportional to 855,205.40, 1,282,505.70 and 294,109.40

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Solution

The fourth proportional to 855,205.40, 1,282,505.70 and 294,109.40 is: 441,060.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,205.40 : 1,282,505.70 = 294,109.40 : x
  2. Step 2: Convert to fraction form
    855,205.40/1,282,505.70 = 294,109.40/x
  3. Step 3: Cross multiply
    855,205.40x = 1,282,505.70 × 294,109.40
  4. Step 4: Simplify right side
    855,205.40x = 377,196,981,923.58
  5. Step 5: Solve for x
    x = 377,196,981,923.58/855,205.40
  6. Step 6: Final answer
    x = 441,060.10

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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.