Finding the Fourth Proportional to 825,718.24, 1,140,002.12 and 550,463.79
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Solution
The fourth proportional to 825,718.24, 1,140,002.12 and 550,463.79 is: 759,980.65
Step by Step Solution
- Step 1: Write the proportion equation
825,718.24 : 1,140,002.12 = 550,463.79 : x - Step 2: Convert to fraction form
825,718.24/1,140,002.12 = 550,463.79/x - Step 3: Cross multiply
825,718.24x = 1,140,002.12 × 550,463.79 - Step 4: Simplify right side
825,718.24x = 627,529,887,583.24 - Step 5: Solve for x
x = 627,529,887,583.24/825,718.24 - Step 6: Final answer
x = 759,980.65
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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.