Finding the Fourth Proportional to 1,107,533.07, 1,661,352.36 and 538,235.91
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Solution
The fourth proportional to 1,107,533.07, 1,661,352.36 and 538,235.91 is: 807,379.50
Step by Step Solution
- Step 1: Write the proportion equation
1,107,533.07 : 1,661,352.36 = 538,235.91 : x - Step 2: Convert to fraction form
1,107,533.07/1,661,352.36 = 538,235.91/x - Step 3: Cross multiply
1,107,533.07x = 1,661,352.36 × 538,235.91 - Step 4: Simplify right side
1,107,533.07x = 894,199,499,315.25 - Step 5: Solve for x
x = 894,199,499,315.25/1,107,533.07 - Step 6: Final answer
x = 807,379.50
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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.