Finding the Fourth Proportional to 696,365.24, 961,403.20 and 455,051.66
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Solution
The fourth proportional to 696,365.24, 961,403.20 and 455,051.66 is: 628,245.20
Step by Step Solution
- Step 1: Write the proportion equation
696,365.24 : 961,403.20 = 455,051.66 : x - Step 2: Convert to fraction form
696,365.24/961,403.20 = 455,051.66/x - Step 3: Cross multiply
696,365.24x = 961,403.20 × 455,051.66 - Step 4: Simplify right side
696,365.24x = 437,488,122,089.31 - Step 5: Solve for x
x = 437,488,122,089.31/696,365.24 - Step 6: Final answer
x = 628,245.20
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1.5x scale
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.