Finding the Fourth Proportional to 700,321.64, 1,050,630.09 and 226,970.10
Calculator
Solution
The fourth proportional to 700,321.64, 1,050,630.09 and 226,970.10 is: 340,502.99
Step by Step Solution
- Step 1: Write the proportion equation
700,321.64 : 1,050,630.09 = 226,970.10 : x - Step 2: Convert to fraction form
700,321.64/1,050,630.09 = 226,970.10/x - Step 3: Cross multiply
700,321.64x = 1,050,630.09 × 226,970.10 - Step 4: Simplify right side
700,321.64x = 238,461,610,202.31 - Step 5: Solve for x
x = 238,461,610,202.31/700,321.64 - Step 6: Final answer
x = 340,502.99
Related Problems
Find fourth proportional to 350,160.82, 525,315.04 and 113,485.05
Half scale
Find fourth proportional to 1,400,643.28, 2,101,260.17 and 453,940.19
Double scale
Find fourth proportional to 700,322.64, 1,050,631.59 and 226,971.10
Similar ratio
Find fourth proportional to 1,050,482.46, 1,575,945.13 and 340,455.14
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.