Finding the Fourth Proportional to 727,551.80, 1,085,637.68 and 651,901.31
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Solution
The fourth proportional to 727,551.80, 1,085,637.68 and 651,901.31 is: 972,753.59
Step by Step Solution
- Step 1: Write the proportion equation
727,551.80 : 1,085,637.68 = 651,901.31 : x - Step 2: Convert to fraction form
727,551.80/1,085,637.68 = 651,901.31/x - Step 3: Cross multiply
727,551.80x = 1,085,637.68 × 651,901.31 - Step 4: Simplify right side
727,551.80x = 707,728,617,089.67 - Step 5: Solve for x
x = 707,728,617,089.67/727,551.80 - Step 6: Final answer
x = 972,753.59
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.