Home / 705,338.60-1,057,547.82-255,974.36

Finding the Fourth Proportional to 705,338.60, 1,057,547.82 and 255,974.36

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Solution

The fourth proportional to 705,338.60, 1,057,547.82 and 255,974.36 is: 383,794.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,338.60 : 1,057,547.82 = 255,974.36 : x
  2. Step 2: Convert to fraction form
    705,338.60/1,057,547.82 = 255,974.36/x
  3. Step 3: Cross multiply
    705,338.60x = 1,057,547.82 × 255,974.36
  4. Step 4: Simplify right side
    705,338.60x = 270,705,126,393.90
  5. Step 5: Solve for x
    x = 270,705,126,393.90/705,338.60
  6. Step 6: Final answer
    x = 383,794.57

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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.