Finding the Fourth Proportional to 887,805.50, 1,225,170.99 and 479,907.32
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Solution
The fourth proportional to 887,805.50, 1,225,170.99 and 479,907.32 is: 662,271.77
Step by Step Solution
- Step 1: Write the proportion equation
887,805.50 : 1,225,170.99 = 479,907.32 : x - Step 2: Convert to fraction form
887,805.50/1,225,170.99 = 479,907.32/x - Step 3: Cross multiply
887,805.50x = 1,225,170.99 × 479,907.32 - Step 4: Simplify right side
887,805.50x = 587,968,520,226.79 - Step 5: Solve for x
x = 587,968,520,226.79/887,805.50 - Step 6: Final answer
x = 662,271.77
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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.