Finding the Fourth Proportional to 579,455.70, 869,183.55 and 501,695.70
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Solution
The fourth proportional to 579,455.70, 869,183.55 and 501,695.70 is: 752,543.55
Step by Step Solution
- Step 1: Write the proportion equation
579,455.70 : 869,183.55 = 501,695.70 : x - Step 2: Convert to fraction form
579,455.70/869,183.55 = 501,695.70/x - Step 3: Cross multiply
579,455.70x = 869,183.55 × 501,695.70 - Step 4: Simplify right side
579,455.70x = 436,065,649,545.74 - Step 5: Solve for x
x = 436,065,649,545.74/579,455.70 - Step 6: Final answer
x = 752,543.55
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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.