Finding the Fourth Proportional to 696,765.14, 961,546.11 and 390,909.14
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Solution
The fourth proportional to 696,765.14, 961,546.11 and 390,909.14 is: 539,460.35
Step by Step Solution
- Step 1: Write the proportion equation
696,765.14 : 961,546.11 = 390,909.14 : x - Step 2: Convert to fraction form
696,765.14/961,546.11 = 390,909.14/x - Step 3: Cross multiply
696,765.14x = 961,546.11 × 390,909.14 - Step 4: Simplify right side
696,765.14x = 375,877,162,930.45 - Step 5: Solve for x
x = 375,877,162,930.45/696,765.14 - Step 6: Final answer
x = 539,460.35
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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.