Finding the Fourth Proportional to 997,742.81, 1,376,882.74 and 545,037.05
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Solution
The fourth proportional to 997,742.81, 1,376,882.74 and 545,037.05 is: 752,149.85
Step by Step Solution
- Step 1: Write the proportion equation
997,742.81 : 1,376,882.74 = 545,037.05 : x - Step 2: Convert to fraction form
997,742.81/1,376,882.74 = 545,037.05/x - Step 3: Cross multiply
997,742.81x = 1,376,882.74 × 545,037.05 - Step 4: Simplify right side
997,742.81x = 750,452,106,805.52 - Step 5: Solve for x
x = 750,452,106,805.52/997,742.81 - Step 6: Final answer
x = 752,149.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.