Finding the Fourth Proportional to 734,773.42, 1,013,986.80 and 412,484.14
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Solution
The fourth proportional to 734,773.42, 1,013,986.80 and 412,484.14 is: 569,227.82
Step by Step Solution
- Step 1: Write the proportion equation
734,773.42 : 1,013,986.80 = 412,484.14 : x - Step 2: Convert to fraction form
734,773.42/1,013,986.80 = 412,484.14/x - Step 3: Cross multiply
734,773.42x = 1,013,986.80 × 412,484.14 - Step 4: Simplify right side
734,773.42x = 418,253,473,169.35 - Step 5: Solve for x
x = 418,253,473,169.35/734,773.42 - Step 6: Final answer
x = 569,227.82
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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.