Finding the Fourth Proportional to 532,441.16, 734,783.94 and 290,739.08
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Solution
The fourth proportional to 532,441.16, 734,783.94 and 290,739.08 is: 401,228.20
Step by Step Solution
- Step 1: Write the proportion equation
532,441.16 : 734,783.94 = 290,739.08 : x - Step 2: Convert to fraction form
532,441.16/734,783.94 = 290,739.08/x - Step 3: Cross multiply
532,441.16x = 734,783.94 × 290,739.08 - Step 4: Simplify right side
532,441.16x = 213,630,406,714.38 - Step 5: Solve for x
x = 213,630,406,714.38/532,441.16 - Step 6: Final answer
x = 401,228.20
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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.