Finding the Fourth Proportional to 761,256.80, 1,050,646.24 and 438,903.84
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Solution
The fourth proportional to 761,256.80, 1,050,646.24 and 438,903.84 is: 605,751.79
Step by Step Solution
- Step 1: Write the proportion equation
761,256.80 : 1,050,646.24 = 438,903.84 : x - Step 2: Convert to fraction form
761,256.80/1,050,646.24 = 438,903.84/x - Step 3: Cross multiply
761,256.80x = 1,050,646.24 × 438,903.84 - Step 4: Simplify right side
761,256.80x = 461,132,669,217.56 - Step 5: Solve for x
x = 461,132,669,217.56/761,256.80 - Step 6: Final answer
x = 605,751.79
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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.