Finding the Fourth Proportional to 933,643.70, 1,400,465.55 and 461,251.70
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Solution
The fourth proportional to 933,643.70, 1,400,465.55 and 461,251.70 is: 691,877.55
Step by Step Solution
- Step 1: Write the proportion equation
933,643.70 : 1,400,465.55 = 461,251.70 : x - Step 2: Convert to fraction form
933,643.70/1,400,465.55 = 461,251.70/x - Step 3: Cross multiply
933,643.70x = 1,400,465.55 × 461,251.70 - Step 4: Simplify right side
933,643.70x = 645,967,115,728.94 - Step 5: Solve for x
x = 645,967,115,728.94/933,643.70 - Step 6: Final answer
x = 691,877.55
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1.5x scale
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.