Finding the Fourth Proportional to 529,504.84, 731,677.62 and 386,014.60
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Solution
The fourth proportional to 529,504.84, 731,677.62 and 386,014.60 is: 533,400.68
Step by Step Solution
- Step 1: Write the proportion equation
529,504.84 : 731,677.62 = 386,014.60 : x - Step 2: Convert to fraction form
529,504.84/731,677.62 = 386,014.60/x - Step 3: Cross multiply
529,504.84x = 731,677.62 × 386,014.60 - Step 4: Simplify right side
529,504.84x = 282,438,243,813.25 - Step 5: Solve for x
x = 282,438,243,813.25/529,504.84 - Step 6: Final answer
x = 533,400.68
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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.