Finding the Fourth Proportional to 535,402.77, 738,878.99 and 320,501.26
Calculator
Solution
The fourth proportional to 535,402.77, 738,878.99 and 320,501.26 is: 442,305.61
Step by Step Solution
- Step 1: Write the proportion equation
535,402.77 : 738,878.99 = 320,501.26 : x - Step 2: Convert to fraction form
535,402.77/738,878.99 = 320,501.26/x - Step 3: Cross multiply
535,402.77x = 738,878.99 × 320,501.26 - Step 4: Simplify right side
535,402.77x = 236,811,647,282.53 - Step 5: Solve for x
x = 236,811,647,282.53/535,402.77 - Step 6: Final answer
x = 442,305.61
Related Problems
Find fourth proportional to 267,701.39, 369,439.50 and 160,250.63
Half scale
Find fourth proportional to 1,070,805.54, 1,477,757.98 and 641,002.52
Double scale
Find fourth proportional to 535,403.77, 738,880.37 and 320,502.26
Similar ratio
Find fourth proportional to 803,104.16, 1,108,318.49 and 480,751.89
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.