Finding the Fourth Proportional to 636,795.95, 878,792.09 and 350,315.96
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Solution
The fourth proportional to 636,795.95, 878,792.09 and 350,315.96 is: 483,443.54
Step by Step Solution
- Step 1: Write the proportion equation
636,795.95 : 878,792.09 = 350,315.96 : x - Step 2: Convert to fraction form
636,795.95/878,792.09 = 350,315.96/x - Step 3: Cross multiply
636,795.95x = 878,792.09 × 350,315.96 - Step 4: Simplify right side
636,795.95x = 307,854,888,503.22 - Step 5: Solve for x
x = 307,854,888,503.22/636,795.95 - Step 6: Final answer
x = 483,443.54
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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.