Finding the Fourth Proportional to 811,233.09, 1,119,599.01 and 471,701.34
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Solution
The fourth proportional to 811,233.09, 1,119,599.01 and 471,701.34 is: 651,004.45
Step by Step Solution
- Step 1: Write the proportion equation
811,233.09 : 1,119,599.01 = 471,701.34 : x - Step 2: Convert to fraction form
811,233.09/1,119,599.01 = 471,701.34/x - Step 3: Cross multiply
811,233.09x = 1,119,599.01 × 471,701.34 - Step 4: Simplify right side
811,233.09x = 528,116,353,279.67 - Step 5: Solve for x
x = 528,116,353,279.67/811,233.09 - Step 6: Final answer
x = 651,004.45
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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.