Finding the Fourth Proportional to 591,240.08, 815,911.12 and 319,308.04
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Solution
The fourth proportional to 591,240.08, 815,911.12 and 319,308.04 is: 440,644.99
Step by Step Solution
- Step 1: Write the proportion equation
591,240.08 : 815,911.12 = 319,308.04 : x - Step 2: Convert to fraction form
591,240.08/815,911.12 = 319,308.04/x - Step 3: Cross multiply
591,240.08x = 815,911.12 × 319,308.04 - Step 4: Simplify right side
591,240.08x = 260,526,977,703.36 - Step 5: Solve for x
x = 260,526,977,703.36/591,240.08 - Step 6: Final answer
x = 440,644.99
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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.