Finding the Fourth Proportional to 752,323.49, 1,128,570.87 and 272,777.13
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Solution
The fourth proportional to 752,323.49, 1,128,570.87 and 272,777.13 is: 409,196.74
Step by Step Solution
- Step 1: Write the proportion equation
752,323.49 : 1,128,570.87 = 272,777.13 : x - Step 2: Convert to fraction form
752,323.49/1,128,570.87 = 272,777.13/x - Step 3: Cross multiply
752,323.49x = 1,128,570.87 × 272,777.13 - Step 4: Simplify right side
752,323.49x = 307,848,315,913.46 - Step 5: Solve for x
x = 307,848,315,913.46/752,323.49 - Step 6: Final answer
x = 409,196.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.