Finding the Fourth Proportional to 674,398.29, 930,658.64 and 368,468.09
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Solution
The fourth proportional to 674,398.29, 930,658.64 and 368,468.09 is: 508,479.94
Step by Step Solution
- Step 1: Write the proportion equation
674,398.29 : 930,658.64 = 368,468.09 : x - Step 2: Convert to fraction form
674,398.29/930,658.64 = 368,468.09/x - Step 3: Cross multiply
674,398.29x = 930,658.64 × 368,468.09 - Step 4: Simplify right side
674,398.29x = 342,918,005,027.16 - Step 5: Solve for x
x = 342,918,005,027.16/674,398.29 - Step 6: Final answer
x = 508,479.94
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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.