Finding the Fourth Proportional to 906,489.30, 1,359,888.86 and 373,719.09
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Solution
The fourth proportional to 906,489.30, 1,359,888.86 and 373,719.09 is: 560,642.50
Step by Step Solution
- Step 1: Write the proportion equation
906,489.30 : 1,359,888.86 = 373,719.09 : x - Step 2: Convert to fraction form
906,489.30/1,359,888.86 = 373,719.09/x - Step 3: Cross multiply
906,489.30x = 1,359,888.86 × 373,719.09 - Step 4: Simplify right side
906,489.30x = 508,216,427,260.34 - Step 5: Solve for x
x = 508,216,427,260.34/906,489.30 - Step 6: Final answer
x = 560,642.50
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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.