Finding the Fourth Proportional to 816,204.24, 1,126,339.56 and 453,618.68
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Solution
The fourth proportional to 816,204.24, 1,126,339.56 and 453,618.68 is: 625,981.38
Step by Step Solution
- Step 1: Write the proportion equation
816,204.24 : 1,126,339.56 = 453,618.68 : x - Step 2: Convert to fraction form
816,204.24/1,126,339.56 = 453,618.68/x - Step 3: Cross multiply
816,204.24x = 1,126,339.56 × 453,618.68 - Step 4: Simplify right side
816,204.24x = 510,928,658,807.28 - Step 5: Solve for x
x = 510,928,658,807.28/816,204.24 - Step 6: Final answer
x = 625,981.38
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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.