Finding the Fourth Proportional to 864,482.40, 1,192,987.08 and 482,509.08
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Solution
The fourth proportional to 864,482.40, 1,192,987.08 and 482,509.08 is: 665,863.29
Step by Step Solution
- Step 1: Write the proportion equation
864,482.40 : 1,192,987.08 = 482,509.08 : x - Step 2: Convert to fraction form
864,482.40/1,192,987.08 = 482,509.08/x - Step 3: Cross multiply
864,482.40x = 1,192,987.08 × 482,509.08 - Step 4: Simplify right side
864,482.40x = 575,627,098,422.69 - Step 5: Solve for x
x = 575,627,098,422.69/864,482.40 - Step 6: Final answer
x = 665,863.29
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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.