Finding the Fourth Proportional to 816,455.70, 1,224,683.55 and 606,503.70
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Solution
The fourth proportional to 816,455.70, 1,224,683.55 and 606,503.70 is: 909,755.55
Step by Step Solution
- Step 1: Write the proportion equation
816,455.70 : 1,224,683.55 = 606,503.70 : x - Step 2: Convert to fraction form
816,455.70/1,224,683.55 = 606,503.70/x - Step 3: Cross multiply
816,455.70x = 1,224,683.55 × 606,503.70 - Step 4: Simplify right side
816,455.70x = 742,775,104,404.14 - Step 5: Solve for x
x = 742,775,104,404.14/816,455.70 - Step 6: Final answer
x = 909,755.55
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1.5x scale
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.