Finding the Fourth Proportional to 619,668.48, 855,140.08 and 347,735.68
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Solution
The fourth proportional to 619,668.48, 855,140.08 and 347,735.68 is: 479,873.88
Step by Step Solution
- Step 1: Write the proportion equation
619,668.48 : 855,140.08 = 347,735.68 : x - Step 2: Convert to fraction form
619,668.48/855,140.08 = 347,735.68/x - Step 3: Cross multiply
619,668.48x = 855,140.08 × 347,735.68 - Step 4: Simplify right side
619,668.48x = 297,362,717,214.05 - Step 5: Solve for x
x = 297,362,717,214.05/619,668.48 - Step 6: Final answer
x = 479,873.88
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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.