Finding the Fourth Proportional to 888,158.28, 1,225,628.10 and 506,308.08
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Solution
The fourth proportional to 888,158.28, 1,225,628.10 and 506,308.08 is: 698,687.86
Step by Step Solution
- Step 1: Write the proportion equation
888,158.28 : 1,225,628.10 = 506,308.08 : x - Step 2: Convert to fraction form
888,158.28/1,225,628.10 = 506,308.08/x - Step 3: Cross multiply
888,158.28x = 1,225,628.10 × 506,308.08 - Step 4: Simplify right side
888,158.28x = 620,545,410,105.05 - Step 5: Solve for x
x = 620,545,410,105.05/888,158.28 - Step 6: Final answer
x = 698,687.86
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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.