Finding the Fourth Proportional to 586,551.24, 809,437.86 and 318,279.24
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Solution
The fourth proportional to 586,551.24, 809,437.86 and 318,279.24 is: 439,223.80
Step by Step Solution
- Step 1: Write the proportion equation
586,551.24 : 809,437.86 = 318,279.24 : x - Step 2: Convert to fraction form
586,551.24/809,437.86 = 318,279.24/x - Step 3: Cross multiply
586,551.24x = 809,437.86 × 318,279.24 - Step 4: Simplify right side
586,551.24x = 257,627,266,908.03 - Step 5: Solve for x
x = 257,627,266,908.03/586,551.24 - Step 6: Final answer
x = 439,223.80
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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.