Finding the Fourth Proportional to 658,714.19, 908,983.37 and 368,349.68
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Solution
The fourth proportional to 658,714.19, 908,983.37 and 368,349.68 is: 508,298.95
Step by Step Solution
- Step 1: Write the proportion equation
658,714.19 : 908,983.37 = 368,349.68 : x - Step 2: Convert to fraction form
658,714.19/908,983.37 = 368,349.68/x - Step 3: Cross multiply
658,714.19x = 908,983.37 × 368,349.68 - Step 4: Simplify right side
658,714.19x = 334,823,731,623.07 - Step 5: Solve for x
x = 334,823,731,623.07/658,714.19 - Step 6: Final answer
x = 508,298.95
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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.