Finding the Fourth Proportional to 887,632.45, 1,331,448.62 and 737,980.09
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Solution
The fourth proportional to 887,632.45, 1,331,448.62 and 737,980.09 is: 1,106,970.09
Step by Step Solution
- Step 1: Write the proportion equation
887,632.45 : 1,331,448.62 = 737,980.09 : x - Step 2: Convert to fraction form
887,632.45/1,331,448.62 = 737,980.09/x - Step 3: Cross multiply
887,632.45x = 1,331,448.62 × 737,980.09 - Step 4: Simplify right side
887,632.45x = 982,582,569,550.59 - Step 5: Solve for x
x = 982,582,569,550.59/887,632.45 - Step 6: Final answer
x = 1,106,970.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.