Finding the Fourth Proportional to 652,015.75, 899,785.02 and 380,272.09
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Solution
The fourth proportional to 652,015.75, 899,785.02 and 380,272.09 is: 524,777.40
Step by Step Solution
- Step 1: Write the proportion equation
652,015.75 : 899,785.02 = 380,272.09 : x - Step 2: Convert to fraction form
652,015.75/899,785.02 = 380,272.09/x - Step 3: Cross multiply
652,015.75x = 899,785.02 × 380,272.09 - Step 4: Simplify right side
652,015.75x = 342,163,130,106.09 - Step 5: Solve for x
x = 342,163,130,106.09/652,015.75 - Step 6: Final answer
x = 524,777.40
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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.