Finding the Fourth Proportional to 842,971.98, 1,163,302.48 and 475,453.92
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Solution
The fourth proportional to 842,971.98, 1,163,302.48 and 475,453.92 is: 656,127.06
Step by Step Solution
- Step 1: Write the proportion equation
842,971.98 : 1,163,302.48 = 475,453.92 : x - Step 2: Convert to fraction form
842,971.98/1,163,302.48 = 475,453.92/x - Step 3: Cross multiply
842,971.98x = 1,163,302.48 × 475,453.92 - Step 4: Simplify right side
842,971.98x = 553,096,724,261.72 - Step 5: Solve for x
x = 553,096,724,261.72/842,971.98 - Step 6: Final answer
x = 656,127.06
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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.