Finding the Fourth Proportional to 923,948.29, 1,385,972.12 and 292,911.31
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Solution
The fourth proportional to 923,948.29, 1,385,972.12 and 292,911.31 is: 439,382.72
Step by Step Solution
- Step 1: Write the proportion equation
923,948.29 : 1,385,972.12 = 292,911.31 : x - Step 2: Convert to fraction form
923,948.29/1,385,972.12 = 292,911.31/x - Step 3: Cross multiply
923,948.29x = 1,385,972.12 × 292,911.31 - Step 4: Simplify right side
923,948.29x = 405,966,909,292.68 - Step 5: Solve for x
x = 405,966,909,292.68/923,948.29 - Step 6: Final answer
x = 439,382.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.