Finding the Fourth Proportional to 939,801.08, 1,409,676.10 and 651,330.92
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Solution
The fourth proportional to 939,801.08, 1,409,676.10 and 651,330.92 is: 976,978.69
Step by Step Solution
- Step 1: Write the proportion equation
939,801.08 : 1,409,676.10 = 651,330.92 : x - Step 2: Convert to fraction form
939,801.08/1,409,676.10 = 651,330.92/x - Step 3: Cross multiply
939,801.08x = 1,409,676.10 × 651,330.92 - Step 4: Simplify right side
939,801.08x = 918,165,631,115.01 - Step 5: Solve for x
x = 918,165,631,115.01/939,801.08 - Step 6: Final answer
x = 976,978.69
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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.