Finding the Fourth Proportional to 549,812.70, 770,843.70 and 549,812.70
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Solution
The fourth proportional to 549,812.70, 770,843.70 and 549,812.70 is: 770,843.70
Step by Step Solution
- Step 1: Write the proportion equation
549,812.70 : 770,843.70 = 549,812.70 : x - Step 2: Convert to fraction form
549,812.70/770,843.70 = 549,812.70/x - Step 3: Cross multiply
549,812.70x = 770,843.70 × 549,812.70 - Step 4: Simplify right side
549,812.70x = 423,819,655,974.99 - Step 5: Solve for x
x = 423,819,655,974.99/549,812.70 - Step 6: Final answer
x = 770,843.70
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.