Finding the Fourth Proportional to 833,215.68, 1,249,888.32 and 272,306.88
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Solution
The fourth proportional to 833,215.68, 1,249,888.32 and 272,306.88 is: 408,481.50
Step by Step Solution
- Step 1: Write the proportion equation
833,215.68 : 1,249,888.32 = 272,306.88 : x - Step 2: Convert to fraction form
833,215.68/1,249,888.32 = 272,306.88/x - Step 3: Cross multiply
833,215.68x = 1,249,888.32 × 272,306.88 - Step 4: Simplify right side
833,215.68x = 340,353,188,767.64 - Step 5: Solve for x
x = 340,353,188,767.64/833,215.68 - Step 6: Final answer
x = 408,481.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.