Finding the Fourth Proportional to 886,390.81, 1,330,001.44 and 436,866.63
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Solution
The fourth proportional to 886,390.81, 1,330,001.44 and 436,866.63 is: 655,504.59
Step by Step Solution
- Step 1: Write the proportion equation
886,390.81 : 1,330,001.44 = 436,866.63 : x - Step 2: Convert to fraction form
886,390.81/1,330,001.44 = 436,866.63/x - Step 3: Cross multiply
886,390.81x = 1,330,001.44 × 436,866.63 - Step 4: Simplify right side
886,390.81x = 581,033,240,908.28 - Step 5: Solve for x
x = 581,033,240,908.28/886,390.81 - Step 6: Final answer
x = 655,504.59
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1.5x scale
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.