Finding the Fourth Proportional to 762,739.68, 1,052,604.40 and 423,239.52
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Solution
The fourth proportional to 762,739.68, 1,052,604.40 and 423,239.52 is: 584,083.66
Step by Step Solution
- Step 1: Write the proportion equation
762,739.68 : 1,052,604.40 = 423,239.52 : x - Step 2: Convert to fraction form
762,739.68/1,052,604.40 = 423,239.52/x - Step 3: Cross multiply
762,739.68x = 1,052,604.40 × 423,239.52 - Step 4: Simplify right side
762,739.68x = 445,503,781,005.89 - Step 5: Solve for x
x = 445,503,781,005.89/762,739.68 - Step 6: Final answer
x = 584,083.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.