Finding the Fourth Proportional to 929,132.37, 1,390,176.27 and 550,256.49
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Solution
The fourth proportional to 929,132.37, 1,390,176.27 and 550,256.49 is: 823,298.75
Step by Step Solution
- Step 1: Write the proportion equation
929,132.37 : 1,390,176.27 = 550,256.49 : x - Step 2: Convert to fraction form
929,132.37/1,390,176.27 = 550,256.49/x - Step 3: Cross multiply
929,132.37x = 1,390,176.27 × 550,256.49 - Step 4: Simplify right side
929,132.37x = 764,953,514,811.49 - Step 5: Solve for x
x = 764,953,514,811.49/929,132.37 - Step 6: Final answer
x = 823,298.75
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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.