Finding the Fourth Proportional to 847,537.79, 1,169,272.53 and 479,930.54
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Solution
The fourth proportional to 847,537.79, 1,169,272.53 and 479,930.54 is: 662,117.49
Step by Step Solution
- Step 1: Write the proportion equation
847,537.79 : 1,169,272.53 = 479,930.54 : x - Step 2: Convert to fraction form
847,537.79/1,169,272.53 = 479,930.54/x - Step 3: Cross multiply
847,537.79x = 1,169,272.53 × 479,930.54 - Step 4: Simplify right side
847,537.79x = 561,169,599,653.25 - Step 5: Solve for x
x = 561,169,599,653.25/847,537.79 - Step 6: Final answer
x = 662,117.49
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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.