Finding the Fourth Proportional to 927,743.78, 1,391,177.04 and 359,391.08
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Solution
The fourth proportional to 927,743.78, 1,391,177.04 and 359,391.08 is: 538,916.70
Step by Step Solution
- Step 1: Write the proportion equation
927,743.78 : 1,391,177.04 = 359,391.08 : x - Step 2: Convert to fraction form
927,743.78/1,391,177.04 = 359,391.08/x - Step 3: Cross multiply
927,743.78x = 1,391,177.04 × 359,391.08 - Step 4: Simplify right side
927,743.78x = 499,976,611,920.92 - Step 5: Solve for x
x = 499,976,611,920.92/927,743.78 - Step 6: Final answer
x = 538,916.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.