Finding the Fourth Proportional to 720,560.06, 994,376.79 and 393,873.52
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Solution
The fourth proportional to 720,560.06, 994,376.79 and 393,873.52 is: 543,547.59
Step by Step Solution
- Step 1: Write the proportion equation
720,560.06 : 994,376.79 = 393,873.52 : x - Step 2: Convert to fraction form
720,560.06/994,376.79 = 393,873.52/x - Step 3: Cross multiply
720,560.06x = 994,376.79 × 393,873.52 - Step 4: Simplify right side
720,560.06x = 391,658,686,483.60 - Step 5: Solve for x
x = 391,658,686,483.60/720,560.06 - Step 6: Final answer
x = 543,547.59
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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.