Finding the Fourth Proportional to 630,115.44, 869,533.08 and 343,630.32
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Solution
The fourth proportional to 630,115.44, 869,533.08 and 343,630.32 is: 474,195.54
Step by Step Solution
- Step 1: Write the proportion equation
630,115.44 : 869,533.08 = 343,630.32 : x - Step 2: Convert to fraction form
630,115.44/869,533.08 = 343,630.32/x - Step 3: Cross multiply
630,115.44x = 869,533.08 × 343,630.32 - Step 4: Simplify right side
630,115.44x = 298,797,930,530.99 - Step 5: Solve for x
x = 298,797,930,530.99/630,115.44 - Step 6: Final answer
x = 474,195.54
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1.5x scale
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.