Finding the Fourth Proportional to 605,657.20, 908,267.10 and 306,038.20
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Solution
The fourth proportional to 605,657.20, 908,267.10 and 306,038.20 is: 458,946.79
Step by Step Solution
- Step 1: Write the proportion equation
605,657.20 : 908,267.10 = 306,038.20 : x - Step 2: Convert to fraction form
605,657.20/908,267.10 = 306,038.20/x - Step 3: Cross multiply
605,657.20x = 908,267.10 × 306,038.20 - Step 4: Simplify right side
605,657.20x = 277,964,428,403.22 - Step 5: Solve for x
x = 277,964,428,403.22/605,657.20 - Step 6: Final answer
x = 458,946.79
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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.