Finding the Fourth Proportional to 784,083.24, 1,176,649.20 and 334,909.08
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Solution
The fourth proportional to 784,083.24, 1,176,649.20 and 334,909.08 is: 502,587.58
Step by Step Solution
- Step 1: Write the proportion equation
784,083.24 : 1,176,649.20 = 334,909.08 : x - Step 2: Convert to fraction form
784,083.24/1,176,649.20 = 334,909.08/x - Step 3: Cross multiply
784,083.24x = 1,176,649.20 × 334,909.08 - Step 4: Simplify right side
784,083.24x = 394,070,501,054.74 - Step 5: Solve for x
x = 394,070,501,054.74/784,083.24 - Step 6: Final answer
x = 502,587.58
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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.