Finding the Fourth Proportional to 823,472.09, 1,135,489.07 and 536,459.93
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Solution
The fourth proportional to 823,472.09, 1,135,489.07 and 536,459.93 is: 739,726.81
Step by Step Solution
- Step 1: Write the proportion equation
823,472.09 : 1,135,489.07 = 536,459.93 : x - Step 2: Convert to fraction form
823,472.09/1,135,489.07 = 536,459.93/x - Step 3: Cross multiply
823,472.09x = 1,135,489.07 × 536,459.93 - Step 4: Simplify right side
823,472.09x = 609,144,382,671.67 - Step 5: Solve for x
x = 609,144,382,671.67/823,472.09 - Step 6: Final answer
x = 739,726.81
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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.