Finding the Fourth Proportional to 659,074.95, 909,609.55 and 372,595.04
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Solution
The fourth proportional to 659,074.95, 909,609.55 and 372,595.04 is: 514,229.84
Step by Step Solution
- Step 1: Write the proportion equation
659,074.95 : 909,609.55 = 372,595.04 : x - Step 2: Convert to fraction form
659,074.95/909,609.55 = 372,595.04/x - Step 3: Cross multiply
659,074.95x = 909,609.55 × 372,595.04 - Step 4: Simplify right side
659,074.95x = 338,916,006,666.63 - Step 5: Solve for x
x = 338,916,006,666.63/659,074.95 - Step 6: Final answer
x = 514,229.84
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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.