Finding the Fourth Proportional to 552,730.99, 762,763.83 and 311,008.74
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Solution
The fourth proportional to 552,730.99, 762,763.83 and 311,008.74 is: 429,189.28
Step by Step Solution
- Step 1: Write the proportion equation
552,730.99 : 762,763.83 = 311,008.74 : x - Step 2: Convert to fraction form
552,730.99/762,763.83 = 311,008.74/x - Step 3: Cross multiply
552,730.99x = 762,763.83 × 311,008.74 - Step 4: Simplify right side
552,730.99x = 237,226,217,685.87 - Step 5: Solve for x
x = 237,226,217,685.87/552,730.99 - Step 6: Final answer
x = 429,189.28
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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.