Finding the Fourth Proportional to 549,817.70, 770,850.70 and 549,817.70
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Solution
The fourth proportional to 549,817.70, 770,850.70 and 549,817.70 is: 770,850.70
Step by Step Solution
- Step 1: Write the proportion equation
549,817.70 : 770,850.70 = 549,817.70 : x - Step 2: Convert to fraction form
549,817.70/770,850.70 = 549,817.70/x - Step 3: Cross multiply
549,817.70x = 770,850.70 × 549,817.70 - Step 4: Simplify right side
549,817.70x = 423,827,358,917.39 - Step 5: Solve for x
x = 423,827,358,917.39/549,817.70 - Step 6: Final answer
x = 770,850.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.