Finding the Fourth Proportional to 970,202.68, 1,338,880.44 and 540,483.88
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Solution
The fourth proportional to 970,202.68, 1,338,880.44 and 540,483.88 is: 745,868.17
Step by Step Solution
- Step 1: Write the proportion equation
970,202.68 : 1,338,880.44 = 540,483.88 : x - Step 2: Convert to fraction form
970,202.68/1,338,880.44 = 540,483.88/x - Step 3: Cross multiply
970,202.68x = 1,338,880.44 × 540,483.88 - Step 4: Simplify right side
970,202.68x = 723,643,295,067.31 - Step 5: Solve for x
x = 723,643,295,067.31/970,202.68 - Step 6: Final answer
x = 745,868.17
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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.