Finding the Fourth Proportional to 531,709.92, 733,911.44 and 302,390.82
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Solution
The fourth proportional to 531,709.92, 733,911.44 and 302,390.82 is: 417,385.63
Step by Step Solution
- Step 1: Write the proportion equation
531,709.92 : 733,911.44 = 302,390.82 : x - Step 2: Convert to fraction form
531,709.92/733,911.44 = 302,390.82/x - Step 3: Cross multiply
531,709.92x = 733,911.44 × 302,390.82 - Step 4: Simplify right side
531,709.92x = 221,928,080,637.03 - Step 5: Solve for x
x = 221,928,080,637.03/531,709.92 - Step 6: Final answer
x = 417,385.63
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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.