Finding the Fourth Proportional to 571,132.74, 788,153.73 and 313,007.70
Calculator
Solution
The fourth proportional to 571,132.74, 788,153.73 and 313,007.70 is: 431,945.45
Step by Step Solution
- Step 1: Write the proportion equation
571,132.74 : 788,153.73 = 313,007.70 : x - Step 2: Convert to fraction form
571,132.74/788,153.73 = 313,007.70/x - Step 3: Cross multiply
571,132.74x = 788,153.73 × 313,007.70 - Step 4: Simplify right side
571,132.74x = 246,698,186,273.72 - Step 5: Solve for x
x = 246,698,186,273.72/571,132.74 - Step 6: Final answer
x = 431,945.45
Related Problems
Find fourth proportional to 285,566.37, 394,076.87 and 156,503.85
Half scale
Find fourth proportional to 1,142,265.48, 1,576,307.46 and 626,015.40
Double scale
Find fourth proportional to 571,133.74, 788,155.11 and 313,008.70
Similar ratio
Find fourth proportional to 856,699.11, 1,182,230.60 and 469,511.55
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.