Finding the Fourth Proportional to 898,149.60, 1,239,445.68 and 495,740.64
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Solution
The fourth proportional to 898,149.60, 1,239,445.68 and 495,740.64 is: 684,121.66
Step by Step Solution
- Step 1: Write the proportion equation
898,149.60 : 1,239,445.68 = 495,740.64 : x - Step 2: Convert to fraction form
898,149.60/1,239,445.68 = 495,740.64/x - Step 3: Cross multiply
898,149.60x = 1,239,445.68 × 495,740.64 - Step 4: Simplify right side
898,149.60x = 614,443,594,648.44 - Step 5: Solve for x
x = 614,443,594,648.44/898,149.60 - Step 6: Final answer
x = 684,121.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.