Finding the Fourth Proportional to 750,877.38, 1,036,236.60 and 411,345.54
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Solution
The fourth proportional to 750,877.38, 1,036,236.60 and 411,345.54 is: 567,670.99
Step by Step Solution
- Step 1: Write the proportion equation
750,877.38 : 1,036,236.60 = 411,345.54 : x - Step 2: Convert to fraction form
750,877.38/1,036,236.60 = 411,345.54/x - Step 3: Cross multiply
750,877.38x = 1,036,236.60 × 411,345.54 - Step 4: Simplify right side
750,877.38x = 426,251,303,794.76 - Step 5: Solve for x
x = 426,251,303,794.76/750,877.38 - Step 6: Final answer
x = 567,670.99
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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.