Finding the Fourth Proportional to 778,844.01, 1,168,256.58 and 202,416.21
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Solution
The fourth proportional to 778,844.01, 1,168,256.58 and 202,416.21 is: 303,621.86
Step by Step Solution
- Step 1: Write the proportion equation
778,844.01 : 1,168,256.58 = 202,416.21 : x - Step 2: Convert to fraction form
778,844.01/1,168,256.58 = 202,416.21/x - Step 3: Cross multiply
778,844.01x = 1,168,256.58 × 202,416.21 - Step 4: Simplify right side
778,844.01x = 236,474,069,231.16 - Step 5: Solve for x
x = 236,474,069,231.16/778,844.01 - Step 6: Final answer
x = 303,621.86
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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.