Finding the Fourth Proportional to 659,194.94, 909,355.13 and 417,069.74
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Solution
The fourth proportional to 659,194.94, 909,355.13 and 417,069.74 is: 575,344.99
Step by Step Solution
- Step 1: Write the proportion equation
659,194.94 : 909,355.13 = 417,069.74 : x - Step 2: Convert to fraction form
659,194.94/909,355.13 = 417,069.74/x - Step 3: Cross multiply
659,194.94x = 909,355.13 × 417,069.74 - Step 4: Simplify right side
659,194.94x = 379,264,507,636.77 - Step 5: Solve for x
x = 379,264,507,636.77/659,194.94 - Step 6: Final answer
x = 575,344.99
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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.