Finding the Fourth Proportional to 1,101,248.79, 1,651,217.09 and 381,354
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Solution
The fourth proportional to 1,101,248.79, 1,651,217.09 and 381,354 is: 571,803.80
Step by Step Solution
- Step 1: Write the proportion equation
1,101,248.79 : 1,651,217.09 = 381,354 : x - Step 2: Convert to fraction form
1,101,248.79/1,651,217.09 = 381,354/x - Step 3: Cross multiply
1,101,248.79x = 1,651,217.09 × 381,354 - Step 4: Simplify right side
1,101,248.79x = 629,698,240,233.09 - Step 5: Solve for x
x = 629,698,240,233.09/1,101,248.79 - Step 6: Final answer
x = 571,803.80
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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.