Finding the Fourth Proportional to 663,014.24, 914,719.68 and 433,702.48
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Solution
The fourth proportional to 663,014.24, 914,719.68 and 433,702.48 is: 598,352.45
Step by Step Solution
- Step 1: Write the proportion equation
663,014.24 : 914,719.68 = 433,702.48 : x - Step 2: Convert to fraction form
663,014.24/914,719.68 = 433,702.48/x - Step 3: Cross multiply
663,014.24x = 914,719.68 × 433,702.48 - Step 4: Simplify right side
663,014.24x = 396,716,193,720.81 - Step 5: Solve for x
x = 396,716,193,720.81/663,014.24 - Step 6: Final answer
x = 598,352.45
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1.5x scale
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.