Finding the Fourth Proportional to 583,887.42, 805,820.97 and 354,391.84
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Solution
The fourth proportional to 583,887.42, 805,820.97 and 354,391.84 is: 489,094.93
Step by Step Solution
- Step 1: Write the proportion equation
583,887.42 : 805,820.97 = 354,391.84 : x - Step 2: Convert to fraction form
583,887.42/805,820.97 = 354,391.84/x - Step 3: Cross multiply
583,887.42x = 805,820.97 × 354,391.84 - Step 4: Simplify right side
583,887.42x = 285,576,378,605.13 - Step 5: Solve for x
x = 285,576,378,605.13/583,887.42 - Step 6: Final answer
x = 489,094.93
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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.