Finding the Fourth Proportional to 696,772.62, 961,496.44 and 386,691.84
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Solution
The fourth proportional to 696,772.62, 961,496.44 and 386,691.84 is: 533,607.12
Step by Step Solution
- Step 1: Write the proportion equation
696,772.62 : 961,496.44 = 386,691.84 : x - Step 2: Convert to fraction form
696,772.62/961,496.44 = 386,691.84/x - Step 3: Cross multiply
696,772.62x = 961,496.44 × 386,691.84 - Step 4: Simplify right side
696,772.62x = 371,802,829,142.26 - Step 5: Solve for x
x = 371,802,829,142.26/696,772.62 - Step 6: Final answer
x = 533,607.12
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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.