Finding the Fourth Proportional to 558,721.97, 771,117.57 and 313,734.23
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Solution
The fourth proportional to 558,721.97, 771,117.57 and 313,734.23 is: 432,998.86
Step by Step Solution
- Step 1: Write the proportion equation
558,721.97 : 771,117.57 = 313,734.23 : x - Step 2: Convert to fraction form
558,721.97/771,117.57 = 313,734.23/x - Step 3: Cross multiply
558,721.97x = 771,117.57 × 313,734.23 - Step 4: Simplify right side
558,721.97x = 241,925,973,207.83 - Step 5: Solve for x
x = 241,925,973,207.83/558,721.97 - Step 6: Final answer
x = 432,998.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.