Finding the Fourth Proportional to 921,377.57, 1,382,177.08 and 870,989.09
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Solution
The fourth proportional to 921,377.57, 1,382,177.08 and 870,989.09 is: 1,306,588.31
Step by Step Solution
- Step 1: Write the proportion equation
921,377.57 : 1,382,177.08 = 870,989.09 : x - Step 2: Convert to fraction form
921,377.57/1,382,177.08 = 870,989.09/x - Step 3: Cross multiply
921,377.57x = 1,382,177.08 × 870,989.09 - Step 4: Simplify right side
921,377.57x = 1,203,861,151,305.91 - Step 5: Solve for x
x = 1,203,861,151,305.91/921,377.57 - Step 6: Final answer
x = 1,306,588.31
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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.