Finding the Fourth Proportional to 909,969.70, 1,365,829.35 and 461,197.30
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Solution
The fourth proportional to 909,969.70, 1,365,829.35 and 461,197.30 is: 692,239.32
Step by Step Solution
- Step 1: Write the proportion equation
909,969.70 : 1,365,829.35 = 461,197.30 : x - Step 2: Convert to fraction form
909,969.70/1,365,829.35 = 461,197.30/x - Step 3: Cross multiply
909,969.70x = 1,365,829.35 × 461,197.30 - Step 4: Simplify right side
909,969.70x = 629,916,808,480.76 - Step 5: Solve for x
x = 629,916,808,480.76/909,969.70 - Step 6: Final answer
x = 692,239.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.