Finding the Fourth Proportional to 518,528.46, 715,626.99 and 327,532.62
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Solution
The fourth proportional to 518,528.46, 715,626.99 and 327,532.62 is: 452,031.47
Step by Step Solution
- Step 1: Write the proportion equation
518,528.46 : 715,626.99 = 327,532.62 : x - Step 2: Convert to fraction form
518,528.46/715,626.99 = 327,532.62/x - Step 3: Cross multiply
518,528.46x = 715,626.99 × 327,532.62 - Step 4: Simplify right side
518,528.46x = 234,391,182,977.41 - Step 5: Solve for x
x = 234,391,182,977.41/518,528.46 - Step 6: Final answer
x = 452,031.47
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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.