Finding the Fourth Proportional to 809,352.80, 1,116,909.53 and 446,775.79
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Solution
The fourth proportional to 809,352.80, 1,116,909.53 and 446,775.79 is: 616,552.07
Step by Step Solution
- Step 1: Write the proportion equation
809,352.80 : 1,116,909.53 = 446,775.79 : x - Step 2: Convert to fraction form
809,352.80/1,116,909.53 = 446,775.79/x - Step 3: Cross multiply
809,352.80x = 1,116,909.53 × 446,775.79 - Step 4: Simplify right side
809,352.80x = 499,008,143,069.27 - Step 5: Solve for x
x = 499,008,143,069.27/809,352.80 - Step 6: Final answer
x = 616,552.07
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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.