Finding the Fourth Proportional to 630,288.26, 869,803.36 and 343,809.62
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Solution
The fourth proportional to 630,288.26, 869,803.36 and 343,809.62 is: 474,460.31
Step by Step Solution
- Step 1: Write the proportion equation
630,288.26 : 869,803.36 = 343,809.62 : x - Step 2: Convert to fraction form
630,288.26/869,803.36 = 343,809.62/x - Step 3: Cross multiply
630,288.26x = 869,803.36 × 343,809.62 - Step 4: Simplify right side
630,288.26x = 299,046,762,676.32 - Step 5: Solve for x
x = 299,046,762,676.32/630,288.26 - Step 6: Final answer
x = 474,460.31
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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.