Finding the Fourth Proportional to 439,903.70, 659,855.55 and 370,783.70
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Solution
The fourth proportional to 439,903.70, 659,855.55 and 370,783.70 is: 556,175.55
Step by Step Solution
- Step 1: Write the proportion equation
439,903.70 : 659,855.55 = 370,783.70 : x - Step 2: Convert to fraction form
439,903.70/659,855.55 = 370,783.70/x - Step 3: Cross multiply
439,903.70x = 659,855.55 × 370,783.70 - Step 4: Simplify right side
439,903.70x = 244,663,682,294.54 - Step 5: Solve for x
x = 244,663,682,294.54/439,903.70 - Step 6: Final answer
x = 556,175.55
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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.