Finding the Fourth Proportional to 934,742.10, 1,288,432.98 and 730,438.02
Calculator
Solution
The fourth proportional to 934,742.10, 1,288,432.98 and 730,438.02 is: 1,006,823.63
Step by Step Solution
- Step 1: Write the proportion equation
934,742.10 : 1,288,432.98 = 730,438.02 : x - Step 2: Convert to fraction form
934,742.10/1,288,432.98 = 730,438.02/x - Step 3: Cross multiply
934,742.10x = 1,288,432.98 × 730,438.02 - Step 4: Simplify right side
934,742.10x = 941,120,434,813.90 - Step 5: Solve for x
x = 941,120,434,813.90/934,742.10 - Step 6: Final answer
x = 1,006,823.63
Related Problems
Find fourth proportional to 467,371.05, 644,216.49 and 365,219.01
Half scale
Find fourth proportional to 1,869,484.20, 2,576,865.96 and 1,460,876.04
Double scale
Find fourth proportional to 934,743.10, 1,288,434.36 and 730,439.02
Similar ratio
Find fourth proportional to 1,402,113.15, 1,932,649.47 and 1,095,657.03
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.