Finding the Fourth Proportional to 693,357.38, 1,038,260.49 and 479,829.63
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Solution
The fourth proportional to 693,357.38, 1,038,260.49 and 479,829.63 is: 718,515.68
Step by Step Solution
- Step 1: Write the proportion equation
693,357.38 : 1,038,260.49 = 479,829.63 : x - Step 2: Convert to fraction form
693,357.38/1,038,260.49 = 479,829.63/x - Step 3: Cross multiply
693,357.38x = 1,038,260.49 × 479,829.63 - Step 4: Simplify right side
693,357.38x = 498,188,146,760.32 - Step 5: Solve for x
x = 498,188,146,760.32/693,357.38 - Step 6: Final answer
x = 718,515.68
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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.