Finding the Fourth Proportional to 836,338.41, 1,154,152.53 and 454,365.09
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Solution
The fourth proportional to 836,338.41, 1,154,152.53 and 454,365.09 is: 627,026.83
Step by Step Solution
- Step 1: Write the proportion equation
836,338.41 : 1,154,152.53 = 454,365.09 : x - Step 2: Convert to fraction form
836,338.41/1,154,152.53 = 454,365.09/x - Step 3: Cross multiply
836,338.41x = 1,154,152.53 × 454,365.09 - Step 4: Simplify right side
836,338.41x = 524,406,618,167.18 - Step 5: Solve for x
x = 524,406,618,167.18/836,338.41 - Step 6: Final answer
x = 627,026.83
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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.