Finding the Fourth Proportional to 980,508.65, 1,352,557.33 and 911,153.75
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Solution
The fourth proportional to 980,508.65, 1,352,557.33 and 911,153.75 is: 1,256,886.09
Step by Step Solution
- Step 1: Write the proportion equation
980,508.65 : 1,352,557.33 = 911,153.75 : x - Step 2: Convert to fraction form
980,508.65/1,352,557.33 = 911,153.75/x - Step 3: Cross multiply
980,508.65x = 1,352,557.33 × 911,153.75 - Step 4: Simplify right side
980,508.65x = 1,232,387,678,703.52 - Step 5: Solve for x
x = 1,232,387,678,703.52/980,508.65 - Step 6: Final answer
x = 1,256,886.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.