Finding the Fourth Proportional to 715,949.98, 1,073,924.55 and 210,515.14
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Solution
The fourth proportional to 715,949.98, 1,073,924.55 and 210,515.14 is: 315,772.58
Step by Step Solution
- Step 1: Write the proportion equation
715,949.98 : 1,073,924.55 = 210,515.14 : x - Step 2: Convert to fraction form
715,949.98/1,073,924.55 = 210,515.14/x - Step 3: Cross multiply
715,949.98x = 1,073,924.55 × 210,515.14 - Step 4: Simplify right side
715,949.98x = 226,077,374,307.88 - Step 5: Solve for x
x = 226,077,374,307.88/715,949.98 - Step 6: Final answer
x = 315,772.58
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1.5x scale
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.