Finding the Fourth Proportional to 717,968.75, 1,077,152.68 and 313,196.36
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Solution
The fourth proportional to 717,968.75, 1,077,152.68 and 313,196.36 is: 469,881.59
Step by Step Solution
- Step 1: Write the proportion equation
717,968.75 : 1,077,152.68 = 313,196.36 : x - Step 2: Convert to fraction form
717,968.75/1,077,152.68 = 313,196.36/x - Step 3: Cross multiply
717,968.75x = 1,077,152.68 × 313,196.36 - Step 4: Simplify right side
717,968.75x = 337,360,293,545.98 - Step 5: Solve for x
x = 337,360,293,545.98/717,968.75 - Step 6: Final answer
x = 469,881.59
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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.