Finding the Fourth Proportional to 913,897.48, 1,261,317.81 and 569,789.23
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Solution
The fourth proportional to 913,897.48, 1,261,317.81 and 569,789.23 is: 786,395.98
Step by Step Solution
- Step 1: Write the proportion equation
913,897.48 : 1,261,317.81 = 569,789.23 : x - Step 2: Convert to fraction form
913,897.48/1,261,317.81 = 569,789.23/x - Step 3: Cross multiply
913,897.48x = 1,261,317.81 × 569,789.23 - Step 4: Simplify right side
913,897.48x = 718,685,303,745.19 - Step 5: Solve for x
x = 718,685,303,745.19/913,897.48 - Step 6: Final answer
x = 786,395.98
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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.