Finding the Fourth Proportional to 842,220.05, 1,162,382.20 and 536,198.67
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Solution
The fourth proportional to 842,220.05, 1,162,382.20 and 536,198.67 is: 740,029.63
Step by Step Solution
- Step 1: Write the proportion equation
842,220.05 : 1,162,382.20 = 536,198.67 : x - Step 2: Convert to fraction form
842,220.05/1,162,382.20 = 536,198.67/x - Step 3: Cross multiply
842,220.05x = 1,162,382.20 × 536,198.67 - Step 4: Simplify right side
842,220.05x = 623,267,788,331.18 - Step 5: Solve for x
x = 623,267,788,331.18/842,220.05 - Step 6: Final answer
x = 740,029.63
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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.