Finding the Fourth Proportional to 630,467.68, 870,028.48 and 343,987.68
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Solution
The fourth proportional to 630,467.68, 870,028.48 and 343,987.68 is: 474,693.77
Step by Step Solution
- Step 1: Write the proportion equation
630,467.68 : 870,028.48 = 343,987.68 : x - Step 2: Convert to fraction form
630,467.68/870,028.48 = 343,987.68/x - Step 3: Cross multiply
630,467.68x = 870,028.48 × 343,987.68 - Step 4: Simplify right side
630,467.68x = 299,279,078,369.13 - Step 5: Solve for x
x = 299,279,078,369.13/630,467.68 - Step 6: Final answer
x = 474,693.77
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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.