Finding the Fourth Proportional to 809,300.93, 1,116,835.12 and 446,724.70
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Solution
The fourth proportional to 809,300.93, 1,116,835.12 and 446,724.70 is: 616,479.99
Step by Step Solution
- Step 1: Write the proportion equation
809,300.93 : 1,116,835.12 = 446,724.70 : x - Step 2: Convert to fraction form
809,300.93/1,116,835.12 = 446,724.70/x - Step 3: Cross multiply
809,300.93x = 1,116,835.12 × 446,724.70 - Step 4: Simplify right side
809,300.93x = 498,917,830,022.56 - Step 5: Solve for x
x = 498,917,830,022.56/809,300.93 - Step 6: Final answer
x = 616,479.99
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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.