Finding the Fourth Proportional to 565,889.98, 780,924.09 and 311,235.70
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Solution
The fourth proportional to 565,889.98, 780,924.09 and 311,235.70 is: 429,503.02
Step by Step Solution
- Step 1: Write the proportion equation
565,889.98 : 780,924.09 = 311,235.70 : x - Step 2: Convert to fraction form
565,889.98/780,924.09 = 311,235.70/x - Step 3: Cross multiply
565,889.98x = 780,924.09 × 311,235.70 - Step 4: Simplify right side
565,889.98x = 243,051,455,798.01 - Step 5: Solve for x
x = 243,051,455,798.01/565,889.98 - Step 6: Final answer
x = 429,503.02
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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.