Finding the Fourth Proportional to 815,325.64, 1,221,741.58 and 341,752.84
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Solution
The fourth proportional to 815,325.64, 1,221,741.58 and 341,752.84 is: 512,106.62
Step by Step Solution
- Step 1: Write the proportion equation
815,325.64 : 1,221,741.58 = 341,752.84 : x - Step 2: Convert to fraction form
815,325.64/1,221,741.58 = 341,752.84/x - Step 3: Cross multiply
815,325.64x = 1,221,741.58 × 341,752.84 - Step 4: Simplify right side
815,325.64x = 417,533,654,711.09 - Step 5: Solve for x
x = 417,533,654,711.09/815,325.64 - Step 6: Final answer
x = 512,106.62
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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.