Finding the Fourth Proportional to 674,438.74, 930,714.64 and 368,508.49
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Solution
The fourth proportional to 674,438.74, 930,714.64 and 368,508.49 is: 508,535.80
Step by Step Solution
- Step 1: Write the proportion equation
674,438.74 : 930,714.64 = 368,508.49 : x - Step 2: Convert to fraction form
674,438.74/930,714.64 = 368,508.49/x - Step 3: Cross multiply
674,438.74x = 930,714.64 × 368,508.49 - Step 4: Simplify right side
674,438.74x = 342,976,246,607.29 - Step 5: Solve for x
x = 342,976,246,607.29/674,438.74 - Step 6: Final answer
x = 508,535.80
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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.