Finding the Fourth Proportional to 993,048.48, 1,370,197.84 and 649,388.16
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Solution
The fourth proportional to 993,048.48, 1,370,197.84 and 649,388.16 is: 896,018.95
Step by Step Solution
- Step 1: Write the proportion equation
993,048.48 : 1,370,197.84 = 649,388.16 : x - Step 2: Convert to fraction form
993,048.48/1,370,197.84 = 649,388.16/x - Step 3: Cross multiply
993,048.48x = 1,370,197.84 × 649,388.16 - Step 4: Simplify right side
993,048.48x = 889,790,254,153.58 - Step 5: Solve for x
x = 889,790,254,153.58/993,048.48 - Step 6: Final answer
x = 896,018.95
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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.