Finding the Fourth Proportional to 463,437.42, 639,213.84 and 425,320.08
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Solution
The fourth proportional to 463,437.42, 639,213.84 and 425,320.08 is: 586,639.04
Step by Step Solution
- Step 1: Write the proportion equation
463,437.42 : 639,213.84 = 425,320.08 : x - Step 2: Convert to fraction form
463,437.42/639,213.84 = 425,320.08/x - Step 3: Cross multiply
463,437.42x = 639,213.84 × 425,320.08 - Step 4: Simplify right side
463,437.42x = 271,870,481,565.91 - Step 5: Solve for x
x = 271,870,481,565.91/463,437.42 - Step 6: Final answer
x = 586,639.04
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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.