Finding the Fourth Proportional to 770,483.67, 1,063,246.98 and 426,310.62
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Solution
The fourth proportional to 770,483.67, 1,063,246.98 and 426,310.62 is: 588,297.32
Step by Step Solution
- Step 1: Write the proportion equation
770,483.67 : 1,063,246.98 = 426,310.62 : x - Step 2: Convert to fraction form
770,483.67/1,063,246.98 = 426,310.62/x - Step 3: Cross multiply
770,483.67x = 1,063,246.98 × 426,310.62 - Step 4: Simplify right side
770,483.67x = 453,273,479,256.93 - Step 5: Solve for x
x = 453,273,479,256.93/770,483.67 - Step 6: Final answer
x = 588,297.32
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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.