Finding the Fourth Proportional to 658,726.68, 909,043.47 and 356,920.68
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Solution
The fourth proportional to 658,726.68, 909,043.47 and 356,920.68 is: 492,550.89
Step by Step Solution
- Step 1: Write the proportion equation
658,726.68 : 909,043.47 = 356,920.68 : x - Step 2: Convert to fraction form
658,726.68/909,043.47 = 356,920.68/x - Step 3: Cross multiply
658,726.68x = 909,043.47 × 356,920.68 - Step 4: Simplify right side
658,726.68x = 324,456,413,461.96 - Step 5: Solve for x
x = 324,456,413,461.96/658,726.68 - Step 6: Final answer
x = 492,550.89
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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.