Finding the Fourth Proportional to 583,921.97, 805,813.49 and 315,649.97
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Solution
The fourth proportional to 583,921.97, 805,813.49 and 315,649.97 is: 435,597.59
Step by Step Solution
- Step 1: Write the proportion equation
583,921.97 : 805,813.49 = 315,649.97 : x - Step 2: Convert to fraction form
583,921.97/805,813.49 = 315,649.97/x - Step 3: Cross multiply
583,921.97x = 805,813.49 × 315,649.97 - Step 4: Simplify right side
583,921.97x = 254,355,003,944.10 - Step 5: Solve for x
x = 254,355,003,944.10/583,921.97 - Step 6: Final answer
x = 435,597.59
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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.