Finding the Fourth Proportional to 921,715.03, 1,380,747.75 and 434,730.28
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Solution
The fourth proportional to 921,715.03, 1,380,747.75 and 434,730.28 is: 651,234.75
Step by Step Solution
- Step 1: Write the proportion equation
921,715.03 : 1,380,747.75 = 434,730.28 : x - Step 2: Convert to fraction form
921,715.03/1,380,747.75 = 434,730.28/x - Step 3: Cross multiply
921,715.03x = 1,380,747.75 × 434,730.28 - Step 4: Simplify right side
921,715.03x = 600,252,855,966.87 - Step 5: Solve for x
x = 600,252,855,966.87/921,715.03 - Step 6: Final answer
x = 651,234.75
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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.