Finding the Fourth Proportional to 756,901.76, 1,044,502.08 and 417,369.92
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Solution
The fourth proportional to 756,901.76, 1,044,502.08 and 417,369.92 is: 575,958.17
Step by Step Solution
- Step 1: Write the proportion equation
756,901.76 : 1,044,502.08 = 417,369.92 : x - Step 2: Convert to fraction form
756,901.76/1,044,502.08 = 417,369.92/x - Step 3: Cross multiply
756,901.76x = 1,044,502.08 × 417,369.92 - Step 4: Simplify right side
756,901.76x = 435,943,749,569.43 - Step 5: Solve for x
x = 435,943,749,569.43/756,901.76 - Step 6: Final answer
x = 575,958.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.