Finding the Fourth Proportional to 947,832.08, 1,421,748.11 and 316,745.88
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Solution
The fourth proportional to 947,832.08, 1,421,748.11 and 316,745.88 is: 475,118.82
Step by Step Solution
- Step 1: Write the proportion equation
947,832.08 : 1,421,748.11 = 316,745.88 : x - Step 2: Convert to fraction form
947,832.08/1,421,748.11 = 316,745.88/x - Step 3: Cross multiply
947,832.08x = 1,421,748.11 × 316,745.88 - Step 4: Simplify right side
947,832.08x = 450,332,854,656.56 - Step 5: Solve for x
x = 450,332,854,656.56/947,832.08 - Step 6: Final answer
x = 475,118.82
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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.