Finding the Fourth Proportional to 900,813.15, 1,351,220.58 and 368,334.18
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Solution
The fourth proportional to 900,813.15, 1,351,220.58 and 368,334.18 is: 552,501.62
Step by Step Solution
- Step 1: Write the proportion equation
900,813.15 : 1,351,220.58 = 368,334.18 : x - Step 2: Convert to fraction form
900,813.15/1,351,220.58 = 368,334.18/x - Step 3: Cross multiply
900,813.15x = 1,351,220.58 × 368,334.18 - Step 4: Simplify right side
900,813.15x = 497,700,724,333.42 - Step 5: Solve for x
x = 497,700,724,333.42/900,813.15 - Step 6: Final answer
x = 552,501.62
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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.