Finding the Fourth Proportional to 652,009.10, 899,720.87 and 365,490.23
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Solution
The fourth proportional to 652,009.10, 899,720.87 and 365,490.23 is: 504,347.54
Step by Step Solution
- Step 1: Write the proportion equation
652,009.10 : 899,720.87 = 365,490.23 : x - Step 2: Convert to fraction form
652,009.10/899,720.87 = 365,490.23/x - Step 3: Cross multiply
652,009.10x = 899,720.87 × 365,490.23 - Step 4: Simplify right side
652,009.10x = 328,839,181,386.05 - Step 5: Solve for x
x = 328,839,181,386.05/652,009.10 - Step 6: Final answer
x = 504,347.54
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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.