Finding the Fourth Proportional to 602,389.88, 831,309.10 and 330,471.68
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Solution
The fourth proportional to 602,389.88, 831,309.10 and 330,471.68 is: 456,056.99
Step by Step Solution
- Step 1: Write the proportion equation
602,389.88 : 831,309.10 = 330,471.68 : x - Step 2: Convert to fraction form
602,389.88/831,309.10 = 330,471.68/x - Step 3: Cross multiply
602,389.88x = 831,309.10 × 330,471.68 - Step 4: Simplify right side
602,389.88x = 274,724,114,876.29 - Step 5: Solve for x
x = 274,724,114,876.29/602,389.88 - Step 6: Final answer
x = 456,056.99
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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.