Finding the Fourth Proportional to 671,897.81, 927,218.98 and 370,091.81
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Solution
The fourth proportional to 671,897.81, 927,218.98 and 370,091.81 is: 510,726.70
Step by Step Solution
- Step 1: Write the proportion equation
671,897.81 : 927,218.98 = 370,091.81 : x - Step 2: Convert to fraction form
671,897.81/927,218.98 = 370,091.81/x - Step 3: Cross multiply
671,897.81x = 927,218.98 × 370,091.81 - Step 4: Simplify right side
671,897.81x = 343,156,153,355.22 - Step 5: Solve for x
x = 343,156,153,355.22/671,897.81 - Step 6: Final answer
x = 510,726.70
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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.