Finding the Fourth Proportional to 570,776.36, 787,662.74 and 312,651.24
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Solution
The fourth proportional to 570,776.36, 787,662.74 and 312,651.24 is: 431,453.99
Step by Step Solution
- Step 1: Write the proportion equation
570,776.36 : 787,662.74 = 312,651.24 : x - Step 2: Convert to fraction form
570,776.36/787,662.74 = 312,651.24/x - Step 3: Cross multiply
570,776.36x = 787,662.74 × 312,651.24 - Step 4: Simplify right side
570,776.36x = 246,263,735,060.97 - Step 5: Solve for x
x = 246,263,735,060.97/570,776.36 - Step 6: Final answer
x = 431,453.99
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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.