Finding the Fourth Proportional to 898,117.20, 1,347,175.80 and 579,252.60
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Solution
The fourth proportional to 898,117.20, 1,347,175.80 and 579,252.60 is: 868,878.90
Step by Step Solution
- Step 1: Write the proportion equation
898,117.20 : 1,347,175.80 = 579,252.60 : x - Step 2: Convert to fraction form
898,117.20/1,347,175.80 = 579,252.60/x - Step 3: Cross multiply
898,117.20x = 1,347,175.80 × 579,252.60 - Step 4: Simplify right side
898,117.20x = 780,355,084,807.08 - Step 5: Solve for x
x = 780,355,084,807.08/898,117.20 - Step 6: Final answer
x = 868,878.90
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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.