Finding the Fourth Proportional to 912,272.08, 1,258,839 and 504,308.20
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Solution
The fourth proportional to 912,272.08, 1,258,839 and 504,308.20 is: 695,891.99
Step by Step Solution
- Step 1: Write the proportion equation
912,272.08 : 1,258,839 = 504,308.20 : x - Step 2: Convert to fraction form
912,272.08/1,258,839 = 504,308.20/x - Step 3: Cross multiply
912,272.08x = 1,258,839 × 504,308.20 - Step 4: Simplify right side
912,272.08x = 634,842,830,179.80 - Step 5: Solve for x
x = 634,842,830,179.80/912,272.08 - Step 6: Final answer
x = 695,891.99
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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.