Finding the Fourth Proportional to 724,826.99, 1,000,761.66 and 453,017.07
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Solution
The fourth proportional to 724,826.99, 1,000,761.66 and 453,017.07 is: 625,476.32
Step by Step Solution
- Step 1: Write the proportion equation
724,826.99 : 1,000,761.66 = 453,017.07 : x - Step 2: Convert to fraction form
724,826.99/1,000,761.66 = 453,017.07/x - Step 3: Cross multiply
724,826.99x = 1,000,761.66 × 453,017.07 - Step 4: Simplify right side
724,826.99x = 453,362,114,981.54 - Step 5: Solve for x
x = 453,362,114,981.54/724,826.99 - Step 6: Final answer
x = 625,476.32
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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.