Finding the Fourth Proportional to 779,684.42, 1,075,973.49 and 457,400.00
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Solution
The fourth proportional to 779,684.42, 1,075,973.49 and 457,400.00 is: 631,217.27
Step by Step Solution
- Step 1: Write the proportion equation
779,684.42 : 1,075,973.49 = 457,400.00 : x - Step 2: Convert to fraction form
779,684.42/1,075,973.49 = 457,400.00/x - Step 3: Cross multiply
779,684.42x = 1,075,973.49 × 457,400.00 - Step 4: Simplify right side
779,684.42x = 492,150,268,946.13 - Step 5: Solve for x
x = 492,150,268,946.13/779,684.42 - Step 6: Final answer
x = 631,217.27
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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.