Finding the Fourth Proportional to 914,482.58, 1,372,574.99 and 465,539.54
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Solution
The fourth proportional to 914,482.58, 1,372,574.99 and 465,539.54 is: 698,742.60
Step by Step Solution
- Step 1: Write the proportion equation
914,482.58 : 1,372,574.99 = 465,539.54 : x - Step 2: Convert to fraction form
914,482.58/1,372,574.99 = 465,539.54/x - Step 3: Cross multiply
914,482.58x = 1,372,574.99 × 465,539.54 - Step 4: Simplify right side
914,482.58x = 638,987,934,055.39 - Step 5: Solve for x
x = 638,987,934,055.39/914,482.58 - Step 6: Final answer
x = 698,742.60
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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.