Finding the Fourth Proportional to 753,969.97, 1,041,537.57 and 685,866.79
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Solution
The fourth proportional to 753,969.97, 1,041,537.57 and 685,866.79 is: 947,459.52
Step by Step Solution
- Step 1: Write the proportion equation
753,969.97 : 1,041,537.57 = 685,866.79 : x - Step 2: Convert to fraction form
753,969.97/1,041,537.57 = 685,866.79/x - Step 3: Cross multiply
753,969.97x = 1,041,537.57 × 685,866.79 - Step 4: Simplify right side
753,969.97x = 714,356,024,592.61 - Step 5: Solve for x
x = 714,356,024,592.61/753,969.97 - Step 6: Final answer
x = 947,459.52
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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.