Home / 848,742.72-1,171,279.16-486,198.20

Finding the Fourth Proportional to 848,742.72, 1,171,279.16 and 486,198.20

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Solution

The fourth proportional to 848,742.72, 1,171,279.16 and 486,198.20 is: 670,961.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,742.72 : 1,171,279.16 = 486,198.20 : x
  2. Step 2: Convert to fraction form
    848,742.72/1,171,279.16 = 486,198.20/x
  3. Step 3: Cross multiply
    848,742.72x = 1,171,279.16 × 486,198.20
  4. Step 4: Simplify right side
    848,742.72x = 569,473,811,002.13
  5. Step 5: Solve for x
    x = 569,473,811,002.13/848,742.72
  6. Step 6: Final answer
    x = 670,961.64

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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.