Finding the Fourth Proportional to 647,582.64, 971,490.84 and 292,763.76
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Solution
The fourth proportional to 647,582.64, 971,490.84 and 292,763.76 is: 439,198.48
Step by Step Solution
- Step 1: Write the proportion equation
647,582.64 : 971,490.84 = 292,763.76 : x - Step 2: Convert to fraction form
647,582.64/971,490.84 = 292,763.76/x - Step 3: Cross multiply
647,582.64x = 971,490.84 × 292,763.76 - Step 4: Simplify right side
647,582.64x = 284,417,311,123.96 - Step 5: Solve for x
x = 284,417,311,123.96/647,582.64 - Step 6: Final answer
x = 439,198.48
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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.