Finding the Fourth Proportional to 788,803.60, 1,181,844.60 and 367,214.80
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Solution
The fourth proportional to 788,803.60, 1,181,844.60 and 367,214.80 is: 550,188.70
Step by Step Solution
- Step 1: Write the proportion equation
788,803.60 : 1,181,844.60 = 367,214.80 : x - Step 2: Convert to fraction form
788,803.60/1,181,844.60 = 367,214.80/x - Step 3: Cross multiply
788,803.60x = 1,181,844.60 × 367,214.80 - Step 4: Simplify right side
788,803.60x = 433,990,828,420.08 - Step 5: Solve for x
x = 433,990,828,420.08/788,803.60 - Step 6: Final answer
x = 550,188.70
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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.