Finding the Fourth Proportional to 539,391.44, 808,378.68 and 468,935.12
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Solution
The fourth proportional to 539,391.44, 808,378.68 and 468,935.12 is: 702,786.74
Step by Step Solution
- Step 1: Write the proportion equation
539,391.44 : 808,378.68 = 468,935.12 : x - Step 2: Convert to fraction form
539,391.44/808,378.68 = 468,935.12/x - Step 3: Cross multiply
539,391.44x = 808,378.68 × 468,935.12 - Step 4: Simplify right side
539,391.44x = 379,077,153,311.24 - Step 5: Solve for x
x = 379,077,153,311.24/539,391.44 - Step 6: Final answer
x = 702,786.74
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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.