Finding the Fourth Proportional to 674,428.28, 930,700.12 and 368,498.12
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Solution
The fourth proportional to 674,428.28, 930,700.12 and 368,498.12 is: 508,521.45
Step by Step Solution
- Step 1: Write the proportion equation
674,428.28 : 930,700.12 = 368,498.12 : x - Step 2: Convert to fraction form
674,428.28/930,700.12 = 368,498.12/x - Step 3: Cross multiply
674,428.28x = 930,700.12 × 368,498.12 - Step 4: Simplify right side
674,428.28x = 342,961,244,503.77 - Step 5: Solve for x
x = 342,961,244,503.77/674,428.28 - Step 6: Final answer
x = 508,521.45
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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.