Finding the Fourth Proportional to 585,089.68, 807,483.36 and 421,880.44
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Solution
The fourth proportional to 585,089.68, 807,483.36 and 421,880.44 is: 582,237.98
Step by Step Solution
- Step 1: Write the proportion equation
585,089.68 : 807,483.36 = 421,880.44 : x - Step 2: Convert to fraction form
585,089.68/807,483.36 = 421,880.44/x - Step 3: Cross multiply
585,089.68x = 807,483.36 × 421,880.44 - Step 4: Simplify right side
585,089.68x = 340,661,435,209.48 - Step 5: Solve for x
x = 340,661,435,209.48/585,089.68 - Step 6: Final answer
x = 582,237.98
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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.