Finding the Fourth Proportional to 675,112.04, 932,058.88 and 420,807.68
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Solution
The fourth proportional to 675,112.04, 932,058.88 and 420,807.68 is: 580,966.58
Step by Step Solution
- Step 1: Write the proportion equation
675,112.04 : 932,058.88 = 420,807.68 : x - Step 2: Convert to fraction form
675,112.04/932,058.88 = 420,807.68/x - Step 3: Cross multiply
675,112.04x = 932,058.88 × 420,807.68 - Step 4: Simplify right side
675,112.04x = 392,217,534,916.20 - Step 5: Solve for x
x = 392,217,534,916.20/675,112.04 - Step 6: Final answer
x = 580,966.58
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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.