Finding the Fourth Proportional to 536,720.94, 740,680.62 and 291,705.68
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Solution
The fourth proportional to 536,720.94, 740,680.62 and 291,705.68 is: 402,556.95
Step by Step Solution
- Step 1: Write the proportion equation
536,720.94 : 740,680.62 = 291,705.68 : x - Step 2: Convert to fraction form
536,720.94/740,680.62 = 291,705.68/x - Step 3: Cross multiply
536,720.94x = 740,680.62 × 291,705.68 - Step 4: Simplify right side
536,720.94x = 216,060,743,919.92 - Step 5: Solve for x
x = 216,060,743,919.92/536,720.94 - Step 6: Final answer
x = 402,556.95
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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.