Finding the Fourth Proportional to 980,024.94, 1,352,341.98 and 550,221.12
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Solution
The fourth proportional to 980,024.94, 1,352,341.98 and 550,221.12 is: 759,253.25
Step by Step Solution
- Step 1: Write the proportion equation
980,024.94 : 1,352,341.98 = 550,221.12 : x - Step 2: Convert to fraction form
980,024.94/1,352,341.98 = 550,221.12/x - Step 3: Cross multiply
980,024.94x = 1,352,341.98 × 550,221.12 - Step 4: Simplify right side
980,024.94x = 744,087,118,858.62 - Step 5: Solve for x
x = 744,087,118,858.62/980,024.94 - Step 6: Final answer
x = 759,253.25
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.