Finding the Fourth Proportional to 885,207.80, 1,327,811.70 and 294,231.80
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Solution
The fourth proportional to 885,207.80, 1,327,811.70 and 294,231.80 is: 441,347.70
Step by Step Solution
- Step 1: Write the proportion equation
885,207.80 : 1,327,811.70 = 294,231.80 : x - Step 2: Convert to fraction form
885,207.80/1,327,811.70 = 294,231.80/x - Step 3: Cross multiply
885,207.80x = 1,327,811.70 × 294,231.80 - Step 4: Simplify right side
885,207.80x = 390,684,426,552.06 - Step 5: Solve for x
x = 390,684,426,552.06/885,207.80 - Step 6: Final answer
x = 441,347.70
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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.