Finding the Fourth Proportional to 906,886.40, 1,359,163.20 and 551,523.20
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Solution
The fourth proportional to 906,886.40, 1,359,163.20 and 551,523.20 is: 826,575.45
Step by Step Solution
- Step 1: Write the proportion equation
906,886.40 : 1,359,163.20 = 551,523.20 : x - Step 2: Convert to fraction form
906,886.40/1,359,163.20 = 551,523.20/x - Step 3: Cross multiply
906,886.40x = 1,359,163.20 × 551,523.20 - Step 4: Simplify right side
906,886.40x = 749,610,037,386.24 - Step 5: Solve for x
x = 749,610,037,386.24/906,886.40 - Step 6: Final answer
x = 826,575.45
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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.