Finding the Fourth Proportional to 542,806.08, 749,057.94 and 313,355.62
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Solution
The fourth proportional to 542,806.08, 749,057.94 and 313,355.62 is: 432,422.41
Step by Step Solution
- Step 1: Write the proportion equation
542,806.08 : 749,057.94 = 313,355.62 : x - Step 2: Convert to fraction form
542,806.08/749,057.94 = 313,355.62/x - Step 3: Cross multiply
542,806.08x = 749,057.94 × 313,355.62 - Step 4: Simplify right side
542,806.08x = 234,721,515,204.62 - Step 5: Solve for x
x = 234,721,515,204.62/542,806.08 - Step 6: Final answer
x = 432,422.41
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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.