Finding the Fourth Proportional to 787,805.90, 1,181,460.99 and 255,203.36
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Solution
The fourth proportional to 787,805.90, 1,181,460.99 and 255,203.36 is: 382,724.75
Step by Step Solution
- Step 1: Write the proportion equation
787,805.90 : 1,181,460.99 = 255,203.36 : x - Step 2: Convert to fraction form
787,805.90/1,181,460.99 = 255,203.36/x - Step 3: Cross multiply
787,805.90x = 1,181,460.99 × 255,203.36 - Step 4: Simplify right side
787,805.90x = 301,512,814,356.93 - Step 5: Solve for x
x = 301,512,814,356.93/787,805.90 - Step 6: Final answer
x = 382,724.75
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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.