Finding the Fourth Proportional to 724,024.71, 999,153.99 and 401,737.05
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Solution
The fourth proportional to 724,024.71, 999,153.99 and 401,737.05 is: 554,397.07
Step by Step Solution
- Step 1: Write the proportion equation
724,024.71 : 999,153.99 = 401,737.05 : x - Step 2: Convert to fraction form
724,024.71/999,153.99 = 401,737.05/x - Step 3: Cross multiply
724,024.71x = 999,153.99 × 401,737.05 - Step 4: Simplify right side
724,024.71x = 401,397,176,438.33 - Step 5: Solve for x
x = 401,397,176,438.33/724,024.71 - Step 6: Final answer
x = 554,397.07
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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.