Finding the Fourth Proportional to 889,436.36, 1,334,403.95 and 357,331.05
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Solution
The fourth proportional to 889,436.36, 1,334,403.95 and 357,331.05 is: 536,096.78
Step by Step Solution
- Step 1: Write the proportion equation
889,436.36 : 1,334,403.95 = 357,331.05 : x - Step 2: Convert to fraction form
889,436.36/1,334,403.95 = 357,331.05/x - Step 3: Cross multiply
889,436.36x = 1,334,403.95 × 357,331.05 - Step 4: Simplify right side
889,436.36x = 476,823,962,790.99 - Step 5: Solve for x
x = 476,823,962,790.99/889,436.36 - Step 6: Final answer
x = 536,096.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.