Finding the Fourth Proportional to 972,215.84, 1,341,457.56 and 558,672.74
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Solution
The fourth proportional to 972,215.84, 1,341,457.56 and 558,672.74 is: 770,853.29
Step by Step Solution
- Step 1: Write the proportion equation
972,215.84 : 1,341,457.56 = 558,672.74 : x - Step 2: Convert to fraction form
972,215.84/1,341,457.56 = 558,672.74/x - Step 3: Cross multiply
972,215.84x = 1,341,457.56 × 558,672.74 - Step 4: Simplify right side
972,215.84x = 749,435,770,638.91 - Step 5: Solve for x
x = 749,435,770,638.91/972,215.84 - Step 6: Final answer
x = 770,853.29
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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.