Finding the Fourth Proportional to 513,731.58, 770,901.80 and 286,217.63
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Solution
The fourth proportional to 513,731.58, 770,901.80 and 286,217.63 is: 429,496.04
Step by Step Solution
- Step 1: Write the proportion equation
513,731.58 : 770,901.80 = 286,217.63 : x - Step 2: Convert to fraction form
513,731.58/770,901.80 = 286,217.63/x - Step 3: Cross multiply
513,731.58x = 770,901.80 × 286,217.63 - Step 4: Simplify right side
513,731.58x = 220,645,680,873.14 - Step 5: Solve for x
x = 220,645,680,873.14/513,731.58 - Step 6: Final answer
x = 429,496.04
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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.