Finding the Fourth Proportional to 514,346.24, 709,782.18 and 284,894.48
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Solution
The fourth proportional to 514,346.24, 709,782.18 and 284,894.48 is: 393,145.72
Step by Step Solution
- Step 1: Write the proportion equation
514,346.24 : 709,782.18 = 284,894.48 : x - Step 2: Convert to fraction form
514,346.24/709,782.18 = 284,894.48/x - Step 3: Cross multiply
514,346.24x = 709,782.18 × 284,894.48 - Step 4: Simplify right side
514,346.24x = 202,213,025,084.37 - Step 5: Solve for x
x = 202,213,025,084.37/514,346.24 - Step 6: Final answer
x = 393,145.72
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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.