Finding the Fourth Proportional to 620,509.12, 932,163.36 and 371,366.08
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Solution
The fourth proportional to 620,509.12, 932,163.36 and 371,366.08 is: 557,886.81
Step by Step Solution
- Step 1: Write the proportion equation
620,509.12 : 932,163.36 = 371,366.08 : x - Step 2: Convert to fraction form
620,509.12/932,163.36 = 371,366.08/x - Step 3: Cross multiply
620,509.12x = 932,163.36 × 371,366.08 - Step 4: Simplify right side
620,509.12x = 346,173,852,922.83 - Step 5: Solve for x
x = 346,173,852,922.83/620,509.12 - Step 6: Final answer
x = 557,886.81
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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.