Finding the Fourth Proportional to 916,707.34, 1,375,154.97 and 317,668.06
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Solution
The fourth proportional to 916,707.34, 1,375,154.97 and 317,668.06 is: 476,534.65
Step by Step Solution
- Step 1: Write the proportion equation
916,707.34 : 1,375,154.97 = 317,668.06 : x - Step 2: Convert to fraction form
916,707.34/1,375,154.97 = 317,668.06/x - Step 3: Cross multiply
916,707.34x = 1,375,154.97 × 317,668.06 - Step 4: Simplify right side
916,707.34x = 436,842,811,519.26 - Step 5: Solve for x
x = 436,842,811,519.26/916,707.34 - Step 6: Final answer
x = 476,534.65
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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.