Finding the Fourth Proportional to 817,838.93, 1,227,008.52 and 418,761.99
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Solution
The fourth proportional to 817,838.93, 1,227,008.52 and 418,761.99 is: 628,271.06
Step by Step Solution
- Step 1: Write the proportion equation
817,838.93 : 1,227,008.52 = 418,761.99 : x - Step 2: Convert to fraction form
817,838.93/1,227,008.52 = 418,761.99/x - Step 3: Cross multiply
817,838.93x = 1,227,008.52 × 418,761.99 - Step 4: Simplify right side
817,838.93x = 513,824,529,582.16 - Step 5: Solve for x
x = 513,824,529,582.16/817,838.93 - Step 6: Final answer
x = 628,271.06
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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.