Finding the Fourth Proportional to 696,051.62, 960,577.58 and 390,133.59
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Solution
The fourth proportional to 696,051.62, 960,577.58 and 390,133.59 is: 538,399.12
Step by Step Solution
- Step 1: Write the proportion equation
696,051.62 : 960,577.58 = 390,133.59 : x - Step 2: Convert to fraction form
696,051.62/960,577.58 = 390,133.59/x - Step 3: Cross multiply
696,051.62x = 960,577.58 × 390,133.59 - Step 4: Simplify right side
696,051.62x = 374,753,577,808.24 - Step 5: Solve for x
x = 374,753,577,808.24/696,051.62 - Step 6: Final answer
x = 538,399.12
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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.