Finding the Fourth Proportional to 497,425.08, 686,474.66 and 376,356.17
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Solution
The fourth proportional to 497,425.08, 686,474.66 and 376,356.17 is: 519,392.74
Step by Step Solution
- Step 1: Write the proportion equation
497,425.08 : 686,474.66 = 376,356.17 : x - Step 2: Convert to fraction form
497,425.08/686,474.66 = 376,356.17/x - Step 3: Cross multiply
497,425.08x = 686,474.66 × 376,356.17 - Step 4: Simplify right side
497,425.08x = 258,358,976,496.73 - Step 5: Solve for x
x = 258,358,976,496.73/497,425.08 - Step 6: Final answer
x = 519,392.74
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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.