Finding the Fourth Proportional to 569,855.79, 789,997.19 and 539,519.67
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Solution
The fourth proportional to 569,855.79, 789,997.19 and 539,519.67 is: 747,941.90
Step by Step Solution
- Step 1: Write the proportion equation
569,855.79 : 789,997.19 = 539,519.67 : x - Step 2: Convert to fraction form
569,855.79/789,997.19 = 539,519.67/x - Step 3: Cross multiply
569,855.79x = 789,997.19 × 539,519.67 - Step 4: Simplify right side
569,855.79x = 426,219,020,552.13 - Step 5: Solve for x
x = 426,219,020,552.13/569,855.79 - Step 6: Final answer
x = 747,941.90
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.