Finding the Fourth Proportional to 643,703.61, 965,723.67 and 373,572.07
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Solution
The fourth proportional to 643,703.61, 965,723.67 and 373,572.07 is: 560,455.75
Step by Step Solution
- Step 1: Write the proportion equation
643,703.61 : 965,723.67 = 373,572.07 : x - Step 2: Convert to fraction form
643,703.61/965,723.67 = 373,572.07/x - Step 3: Cross multiply
643,703.61x = 965,723.67 × 373,572.07 - Step 4: Simplify right side
643,703.61x = 360,767,390,449.90 - Step 5: Solve for x
x = 360,767,390,449.90/643,703.61 - Step 6: Final answer
x = 560,455.75
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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.