Finding the Fourth Proportional to 911,023.77, 1,257,366.63 and 529,272
Calculator
Solution
The fourth proportional to 911,023.77, 1,257,366.63 and 529,272 is: 730,484.73
Step by Step Solution
- Step 1: Write the proportion equation
911,023.77 : 1,257,366.63 = 529,272 : x - Step 2: Convert to fraction form
911,023.77/1,257,366.63 = 529,272/x - Step 3: Cross multiply
911,023.77x = 1,257,366.63 × 529,272 - Step 4: Simplify right side
911,023.77x = 665,488,950,993.36 - Step 5: Solve for x
x = 665,488,950,993.36/911,023.77 - Step 6: Final answer
x = 730,484.73
Related Problems
Find fourth proportional to 455,511.89, 628,683.32 and 264,636
Half scale
Find fourth proportional to 1,822,047.54, 2,514,733.26 and 1,058,544
Double scale
Find fourth proportional to 911,024.77, 1,257,368.01 and 529,273
Similar ratio
Find fourth proportional to 1,366,535.66, 1,886,049.95 and 793,908
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.