Finding the Fourth Proportional to 770,769.84, 1,156,330.26 and 415,776
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Solution
The fourth proportional to 770,769.84, 1,156,330.26 and 415,776 is: 623,758.67
Step by Step Solution
- Step 1: Write the proportion equation
770,769.84 : 1,156,330.26 = 415,776 : x - Step 2: Convert to fraction form
770,769.84/1,156,330.26 = 415,776/x - Step 3: Cross multiply
770,769.84x = 1,156,330.26 × 415,776 - Step 4: Simplify right side
770,769.84x = 480,774,370,181.76 - Step 5: Solve for x
x = 480,774,370,181.76/770,769.84 - Step 6: Final answer
x = 623,758.67
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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.