Finding the Fourth Proportional to 778,233.29, 1,167,704.63 and 399,420.05
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Solution
The fourth proportional to 778,233.29, 1,167,704.63 and 399,420.05 is: 599,312.11
Step by Step Solution
- Step 1: Write the proportion equation
778,233.29 : 1,167,704.63 = 399,420.05 : x - Step 2: Convert to fraction form
778,233.29/1,167,704.63 = 399,420.05/x - Step 3: Cross multiply
778,233.29x = 1,167,704.63 × 399,420.05 - Step 4: Simplify right side
778,233.29x = 466,404,635,362.03 - Step 5: Solve for x
x = 466,404,635,362.03/778,233.29 - Step 6: Final answer
x = 599,312.11
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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.