Home / 786,597.68-1,179,896.57-313,615.19

Finding the Fourth Proportional to 786,597.68, 1,179,896.57 and 313,615.19

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Solution

The fourth proportional to 786,597.68, 1,179,896.57 and 313,615.19 is: 470,422.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,597.68 : 1,179,896.57 = 313,615.19 : x
  2. Step 2: Convert to fraction form
    786,597.68/1,179,896.57 = 313,615.19/x
  3. Step 3: Cross multiply
    786,597.68x = 1,179,896.57 × 313,615.19
  4. Step 4: Simplify right side
    786,597.68x = 370,033,491,302.71
  5. Step 5: Solve for x
    x = 370,033,491,302.71/786,597.68
  6. Step 6: Final answer
    x = 470,422.81

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Double scale
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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.