Home / 875,883.40-1,314,170.70-343,313.80

Finding the Fourth Proportional to 875,883.40, 1,314,170.70 and 343,313.80

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Solution

The fourth proportional to 875,883.40, 1,314,170.70 and 343,313.80 is: 515,106.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,883.40 : 1,314,170.70 = 343,313.80 : x
  2. Step 2: Convert to fraction form
    875,883.40/1,314,170.70 = 343,313.80/x
  3. Step 3: Cross multiply
    875,883.40x = 1,314,170.70 × 343,313.80
  4. Step 4: Simplify right side
    875,883.40x = 451,172,936,865.66
  5. Step 5: Solve for x
    x = 451,172,936,865.66/875,883.40
  6. Step 6: Final answer
    x = 515,106.16

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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.