Finding the Fourth Proportional to 803,190.66, 1,203,145.74 and 448,393.68
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Solution
The fourth proportional to 803,190.66, 1,203,145.74 and 448,393.68 is: 671,674.82
Step by Step Solution
- Step 1: Write the proportion equation
803,190.66 : 1,203,145.74 = 448,393.68 : x - Step 2: Convert to fraction form
803,190.66/1,203,145.74 = 448,393.68/x - Step 3: Cross multiply
803,190.66x = 1,203,145.74 × 448,393.68 - Step 4: Simplify right side
803,190.66x = 539,482,945,934.92 - Step 5: Solve for x
x = 539,482,945,934.92/803,190.66 - Step 6: Final answer
x = 671,674.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.