Finding the Fourth Proportional to 710,646.48, 1,065,250.62 and 306,102.42
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Solution
The fourth proportional to 710,646.48, 1,065,250.62 and 306,102.42 is: 458,843.89
Step by Step Solution
- Step 1: Write the proportion equation
710,646.48 : 1,065,250.62 = 306,102.42 : x - Step 2: Convert to fraction form
710,646.48/1,065,250.62 = 306,102.42/x - Step 3: Cross multiply
710,646.48x = 1,065,250.62 × 306,102.42 - Step 4: Simplify right side
710,646.48x = 326,075,792,688.50 - Step 5: Solve for x
x = 326,075,792,688.50/710,646.48 - Step 6: Final answer
x = 458,843.89
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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.