Finding the Fourth Proportional to 734,895.95, 1,014,130.40 and 412,619.63
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Solution
The fourth proportional to 734,895.95, 1,014,130.40 and 412,619.63 is: 569,400.48
Step by Step Solution
- Step 1: Write the proportion equation
734,895.95 : 1,014,130.40 = 412,619.63 : x - Step 2: Convert to fraction form
734,895.95/1,014,130.40 = 412,619.63/x - Step 3: Cross multiply
734,895.95x = 1,014,130.40 × 412,619.63 - Step 4: Simplify right side
734,895.95x = 418,450,103,286.00 - Step 5: Solve for x
x = 418,450,103,286.00/734,895.95 - Step 6: Final answer
x = 569,400.48
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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.