Finding the Fourth Proportional to 911,537.70, 1,257,953.13 and 572,193.06
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Solution
The fourth proportional to 911,537.70, 1,257,953.13 and 572,193.06 is: 789,645.95
Step by Step Solution
- Step 1: Write the proportion equation
911,537.70 : 1,257,953.13 = 572,193.06 : x - Step 2: Convert to fraction form
911,537.70/1,257,953.13 = 572,193.06/x - Step 3: Cross multiply
911,537.70x = 1,257,953.13 × 572,193.06 - Step 4: Simplify right side
911,537.70x = 719,792,050,791.28 - Step 5: Solve for x
x = 719,792,050,791.28/911,537.70 - Step 6: Final answer
x = 789,645.95
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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.