Finding the Fourth Proportional to 803,234.10, 1,203,210.88 and 448,437.08
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Solution
The fourth proportional to 803,234.10, 1,203,210.88 and 448,437.08 is: 671,739.87
Step by Step Solution
- Step 1: Write the proportion equation
803,234.10 : 1,203,210.88 = 448,437.08 : x - Step 2: Convert to fraction form
803,234.10/1,203,210.88 = 448,437.08/x - Step 3: Cross multiply
803,234.10x = 1,203,210.88 × 448,437.08 - Step 4: Simplify right side
803,234.10x = 539,564,373,651.43 - Step 5: Solve for x
x = 539,564,373,651.43/803,234.10 - Step 6: Final answer
x = 671,739.87
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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.