Finding the Fourth Proportional to 776,239.55, 1,164,292.62 and 472,554.88
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Solution
The fourth proportional to 776,239.55, 1,164,292.62 and 472,554.88 is: 708,791.71
Step by Step Solution
- Step 1: Write the proportion equation
776,239.55 : 1,164,292.62 = 472,554.88 : x - Step 2: Convert to fraction form
776,239.55/1,164,292.62 = 472,554.88/x - Step 3: Cross multiply
776,239.55x = 1,164,292.62 × 472,554.88 - Step 4: Simplify right side
776,239.55x = 550,192,159,328.99 - Step 5: Solve for x
x = 550,192,159,328.99/776,239.55 - Step 6: Final answer
x = 708,791.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.