Finding the Fourth Proportional to 916,565.34, 1,374,519.92 and 317,365.62
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Solution
The fourth proportional to 916,565.34, 1,374,519.92 and 317,365.62 is: 475,934.83
Step by Step Solution
- Step 1: Write the proportion equation
916,565.34 : 1,374,519.92 = 317,365.62 : x - Step 2: Convert to fraction form
916,565.34/1,374,519.92 = 317,365.62/x - Step 3: Cross multiply
916,565.34x = 1,374,519.92 × 317,365.62 - Step 4: Simplify right side
916,565.34x = 436,225,366,613.15 - Step 5: Solve for x
x = 436,225,366,613.15/916,565.34 - Step 6: Final answer
x = 475,934.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.