Finding the Fourth Proportional to 838,943.05, 1,256,069.48 and 453,310.26
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Solution
The fourth proportional to 838,943.05, 1,256,069.48 and 453,310.26 is: 678,698.25
Step by Step Solution
- Step 1: Write the proportion equation
838,943.05 : 1,256,069.48 = 453,310.26 : x - Step 2: Convert to fraction form
838,943.05/1,256,069.48 = 453,310.26/x - Step 3: Cross multiply
838,943.05x = 1,256,069.48 × 453,310.26 - Step 4: Simplify right side
838,943.05x = 569,389,182,556.87 - Step 5: Solve for x
x = 569,389,182,556.87/838,943.05 - Step 6: Final answer
x = 678,698.25
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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.