Finding the Fourth Proportional to 513,655.28, 708,830.63 and 284,206.58
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Solution
The fourth proportional to 513,655.28, 708,830.63 and 284,206.58 is: 392,197.52
Step by Step Solution
- Step 1: Write the proportion equation
513,655.28 : 708,830.63 = 284,206.58 : x - Step 2: Convert to fraction form
513,655.28/708,830.63 = 284,206.58/x - Step 3: Cross multiply
513,655.28x = 708,830.63 × 284,206.58 - Step 4: Simplify right side
513,655.28x = 201,454,324,186.36 - Step 5: Solve for x
x = 201,454,324,186.36/513,655.28 - Step 6: Final answer
x = 392,197.52
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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.