Finding the Fourth Proportional to 652,153.83, 899,558.21 and 471,131.74
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Solution
The fourth proportional to 652,153.83, 899,558.21 and 471,131.74 is: 649,862.66
Step by Step Solution
- Step 1: Write the proportion equation
652,153.83 : 899,558.21 = 471,131.74 : x - Step 2: Convert to fraction form
652,153.83/899,558.21 = 471,131.74/x - Step 3: Cross multiply
652,153.83x = 899,558.21 × 471,131.74 - Step 4: Simplify right side
652,153.83x = 423,810,424,360.75 - Step 5: Solve for x
x = 423,810,424,360.75/652,153.83 - Step 6: Final answer
x = 649,862.66
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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.