Finding the Fourth Proportional to 729,239.41, 1,006,230.01 and 406,948.73
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Solution
The fourth proportional to 729,239.41, 1,006,230.01 and 406,948.73 is: 561,522.07
Step by Step Solution
- Step 1: Write the proportion equation
729,239.41 : 1,006,230.01 = 406,948.73 : x - Step 2: Convert to fraction form
729,239.41/1,006,230.01 = 406,948.73/x - Step 3: Cross multiply
729,239.41x = 1,006,230.01 × 406,948.73 - Step 4: Simplify right side
729,239.41x = 409,484,019,371.89 - Step 5: Solve for x
x = 409,484,019,371.89/729,239.41 - Step 6: Final answer
x = 561,522.07
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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.