Finding the Fourth Proportional to 984,396.75, 1,358,767.76 and 571,037.99
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Solution
The fourth proportional to 984,396.75, 1,358,767.76 and 571,037.99 is: 788,206.60
Step by Step Solution
- Step 1: Write the proportion equation
984,396.75 : 1,358,767.76 = 571,037.99 : x - Step 2: Convert to fraction form
984,396.75/1,358,767.76 = 571,037.99/x - Step 3: Cross multiply
984,396.75x = 1,358,767.76 × 571,037.99 - Step 4: Simplify right side
984,396.75x = 775,908,010,547.20 - Step 5: Solve for x
x = 775,908,010,547.20/984,396.75 - Step 6: Final answer
x = 788,206.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.