Home / 855,590.76-1,284,647.75-477,250.70

Finding the Fourth Proportional to 855,590.76, 1,284,647.75 and 477,250.70

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Solution

The fourth proportional to 855,590.76, 1,284,647.75 and 477,250.70 is: 716,579.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,590.76 : 1,284,647.75 = 477,250.70 : x
  2. Step 2: Convert to fraction form
    855,590.76/1,284,647.75 = 477,250.70/x
  3. Step 3: Cross multiply
    855,590.76x = 1,284,647.75 × 477,250.70
  4. Step 4: Simplify right side
    855,590.76x = 613,099,029,131.43
  5. Step 5: Solve for x
    x = 613,099,029,131.43/855,590.76
  6. Step 6: Final answer
    x = 716,579.77

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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.