Finding the Fourth Proportional to 671,269.68, 1,006,470.61 and 287,269.23
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Solution
The fourth proportional to 671,269.68, 1,006,470.61 and 287,269.23 is: 430,718.16
Step by Step Solution
- Step 1: Write the proportion equation
671,269.68 : 1,006,470.61 = 287,269.23 : x - Step 2: Convert to fraction form
671,269.68/1,006,470.61 = 287,269.23/x - Step 3: Cross multiply
671,269.68x = 1,006,470.61 × 287,269.23 - Step 4: Simplify right side
671,269.68x = 289,128,041,824.31 - Step 5: Solve for x
x = 289,128,041,824.31/671,269.68 - Step 6: Final answer
x = 430,718.16
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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.