Finding the Fourth Proportional to 898,231.44, 1,239,264.98 and 640,149.02
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Solution
The fourth proportional to 898,231.44, 1,239,264.98 and 640,149.02 is: 883,195.83
Step by Step Solution
- Step 1: Write the proportion equation
898,231.44 : 1,239,264.98 = 640,149.02 : x - Step 2: Convert to fraction form
898,231.44/1,239,264.98 = 640,149.02/x - Step 3: Cross multiply
898,231.44x = 1,239,264.98 × 640,149.02 - Step 4: Simplify right side
898,231.44x = 793,314,262,467.32 - Step 5: Solve for x
x = 793,314,262,467.32/898,231.44 - Step 6: Final answer
x = 883,195.83
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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.