Finding the Fourth Proportional to 620,510.12, 932,164.86 and 371,367.08
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Solution
The fourth proportional to 620,510.12, 932,164.86 and 371,367.08 is: 557,888.31
Step by Step Solution
- Step 1: Write the proportion equation
620,510.12 : 932,164.86 = 371,367.08 : x - Step 2: Convert to fraction form
620,510.12/932,164.86 = 371,367.08/x - Step 3: Cross multiply
620,510.12x = 932,164.86 × 371,367.08 - Step 4: Simplify right side
620,510.12x = 346,175,342,136.81 - Step 5: Solve for x
x = 346,175,342,136.81/620,510.12 - Step 6: Final answer
x = 557,888.31
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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.