Finding the Fourth Proportional to 525,827.28, 725,641.68 and 299,493.84
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Solution
The fourth proportional to 525,827.28, 725,641.68 and 299,493.84 is: 413,301.52
Step by Step Solution
- Step 1: Write the proportion equation
525,827.28 : 725,641.68 = 299,493.84 : x - Step 2: Convert to fraction form
525,827.28/725,641.68 = 299,493.84/x - Step 3: Cross multiply
525,827.28x = 725,641.68 × 299,493.84 - Step 4: Simplify right side
525,827.28x = 217,325,213,207.25 - Step 5: Solve for x
x = 217,325,213,207.25/525,827.28 - Step 6: Final answer
x = 413,301.52
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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.