Finding the Fourth Proportional to 753,155.62, 1,039,376.01 and 413,645.74
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Solution
The fourth proportional to 753,155.62, 1,039,376.01 and 413,645.74 is: 570,842.79
Step by Step Solution
- Step 1: Write the proportion equation
753,155.62 : 1,039,376.01 = 413,645.74 : x - Step 2: Convert to fraction form
753,155.62/1,039,376.01 = 413,645.74/x - Step 3: Cross multiply
753,155.62x = 1,039,376.01 × 413,645.74 - Step 4: Simplify right side
753,155.62x = 429,933,458,794.70 - Step 5: Solve for x
x = 429,933,458,794.70/753,155.62 - Step 6: Final answer
x = 570,842.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.