Finding the Fourth Proportional to 717,894.97, 1,077,261.05 and 268,931.21
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Solution
The fourth proportional to 717,894.97, 1,077,261.05 and 268,931.21 is: 403,553.62
Step by Step Solution
- Step 1: Write the proportion equation
717,894.97 : 1,077,261.05 = 268,931.21 : x - Step 2: Convert to fraction form
717,894.97/1,077,261.05 = 268,931.21/x - Step 3: Cross multiply
717,894.97x = 1,077,261.05 × 268,931.21 - Step 4: Simplify right side
717,894.97x = 289,709,112,948.39 - Step 5: Solve for x
x = 289,709,112,948.39/717,894.97 - Step 6: Final answer
x = 403,553.62
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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.