Finding the Fourth Proportional to 655,260.47, 904,109.86 and 368,675.99
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Solution
The fourth proportional to 655,260.47, 904,109.86 and 368,675.99 is: 508,688.70
Step by Step Solution
- Step 1: Write the proportion equation
655,260.47 : 904,109.86 = 368,675.99 : x - Step 2: Convert to fraction form
655,260.47/904,109.86 = 368,675.99/x - Step 3: Cross multiply
655,260.47x = 904,109.86 × 368,675.99 - Step 4: Simplify right side
655,260.47x = 333,323,600,425.38 - Step 5: Solve for x
x = 333,323,600,425.38/655,260.47 - Step 6: Final answer
x = 508,688.70
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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.