Finding the Fourth Proportional to 929,720.80, 1,391,956.80 and 903,476.80
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Solution
The fourth proportional to 929,720.80, 1,391,956.80 and 903,476.80 is: 1,352,664.88
Step by Step Solution
- Step 1: Write the proportion equation
929,720.80 : 1,391,956.80 = 903,476.80 : x - Step 2: Convert to fraction form
929,720.80/1,391,956.80 = 903,476.80/x - Step 3: Cross multiply
929,720.80x = 1,391,956.80 × 903,476.80 - Step 4: Simplify right side
929,720.80x = 1,257,600,675,402.24 - Step 5: Solve for x
x = 1,257,600,675,402.24/929,720.80 - Step 6: Final answer
x = 1,352,664.88
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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.