Finding the Fourth Proportional to 933,135.21, 1,287,320.99 and 570,574.17
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Solution
The fourth proportional to 933,135.21, 1,287,320.99 and 570,574.17 is: 787,144.34
Step by Step Solution
- Step 1: Write the proportion equation
933,135.21 : 1,287,320.99 = 570,574.17 : x - Step 2: Convert to fraction form
933,135.21/1,287,320.99 = 570,574.17/x - Step 3: Cross multiply
933,135.21x = 1,287,320.99 × 570,574.17 - Step 4: Simplify right side
933,135.21x = 734,512,102,539.96 - Step 5: Solve for x
x = 734,512,102,539.96/933,135.21 - Step 6: Final answer
x = 787,144.34
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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.