Finding the Fourth Proportional to 545,448.99, 752,333.97 and 472,720.32
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Solution
The fourth proportional to 545,448.99, 752,333.97 and 472,720.32 is: 652,019.83
Step by Step Solution
- Step 1: Write the proportion equation
545,448.99 : 752,333.97 = 472,720.32 : x - Step 2: Convert to fraction form
545,448.99/752,333.97 = 472,720.32/x - Step 3: Cross multiply
545,448.99x = 752,333.97 × 472,720.32 - Step 4: Simplify right side
545,448.99x = 355,643,555,045.27 - Step 5: Solve for x
x = 355,643,555,045.27/545,448.99 - Step 6: Final answer
x = 652,019.83
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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.