Finding the Fourth Proportional to 531,978.62, 734,398.19 and 338,580.99
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Solution
The fourth proportional to 531,978.62, 734,398.19 and 338,580.99 is: 467,412.14
Step by Step Solution
- Step 1: Write the proportion equation
531,978.62 : 734,398.19 = 338,580.99 : x - Step 2: Convert to fraction form
531,978.62/734,398.19 = 338,580.99/x - Step 3: Cross multiply
531,978.62x = 734,398.19 × 338,580.99 - Step 4: Simplify right side
531,978.62x = 248,653,264,531.50 - Step 5: Solve for x
x = 248,653,264,531.50/531,978.62 - Step 6: Final answer
x = 467,412.14
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.