Finding the Fourth Proportional to 749,679.08, 1,034,455.14 and 447,809
Calculator
Solution
The fourth proportional to 749,679.08, 1,034,455.14 and 447,809 is: 617,915.50
Step by Step Solution
- Step 1: Write the proportion equation
749,679.08 : 1,034,455.14 = 447,809 : x - Step 2: Convert to fraction form
749,679.08/1,034,455.14 = 447,809/x - Step 3: Cross multiply
749,679.08x = 1,034,455.14 × 447,809 - Step 4: Simplify right side
749,679.08x = 463,238,321,788.26 - Step 5: Solve for x
x = 463,238,321,788.26/749,679.08 - Step 6: Final answer
x = 617,915.50
Related Problems
Find fourth proportional to 374,839.54, 517,227.57 and 223,904.50
Half scale
Find fourth proportional to 1,499,358.16, 2,068,910.28 and 895,618
Double scale
Find fourth proportional to 749,680.08, 1,034,456.52 and 447,810
Similar ratio
Find fourth proportional to 1,124,518.62, 1,551,682.71 and 671,713.50
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.