Finding the Fourth Proportional to 518,934.87, 778,435.11 and 219,376.02
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Solution
The fourth proportional to 518,934.87, 778,435.11 and 219,376.02 is: 329,077.90
Step by Step Solution
- Step 1: Write the proportion equation
518,934.87 : 778,435.11 = 219,376.02 : x - Step 2: Convert to fraction form
518,934.87/778,435.11 = 219,376.02/x - Step 3: Cross multiply
518,934.87x = 778,435.11 × 219,376.02 - Step 4: Simplify right side
518,934.87x = 170,769,996,260.06 - Step 5: Solve for x
x = 170,769,996,260.06/518,934.87 - Step 6: Final answer
x = 329,077.90
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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.