Finding the Fourth Proportional to 564,233.97, 778,657.20 and 309,585.09
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Solution
The fourth proportional to 564,233.97, 778,657.20 and 309,585.09 is: 427,235.28
Step by Step Solution
- Step 1: Write the proportion equation
564,233.97 : 778,657.20 = 309,585.09 : x - Step 2: Convert to fraction form
564,233.97/778,657.20 = 309,585.09/x - Step 3: Cross multiply
564,233.97x = 778,657.20 × 309,585.09 - Step 4: Simplify right side
564,233.97x = 241,060,659,341.15 - Step 5: Solve for x
x = 241,060,659,341.15/564,233.97 - Step 6: Final answer
x = 427,235.28
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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.