Finding the Fourth Proportional to 583,330.80, 874,996.20 and 209,305.20
Calculator
Solution
The fourth proportional to 583,330.80, 874,996.20 and 209,305.20 is: 313,957.80
Step by Step Solution
- Step 1: Write the proportion equation
583,330.80 : 874,996.20 = 209,305.20 : x - Step 2: Convert to fraction form
583,330.80/874,996.20 = 209,305.20/x - Step 3: Cross multiply
583,330.80x = 874,996.20 × 209,305.20 - Step 4: Simplify right side
583,330.80x = 183,141,254,640.24 - Step 5: Solve for x
x = 183,141,254,640.24/583,330.80 - Step 6: Final answer
x = 313,957.80
Related Problems
Find fourth proportional to 291,665.40, 437,498.10 and 104,652.60
Half scale
Find fourth proportional to 1,166,661.60, 1,749,992.40 and 418,610.40
Double scale
Find fourth proportional to 583,331.80, 874,997.70 and 209,306.20
Similar ratio
Find fourth proportional to 874,996.20, 1,312,494.30 and 313,957.80
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.