Finding the Fourth Proportional to 557,030.08, 768,901.20 and 330,675.76
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Solution
The fourth proportional to 557,030.08, 768,901.20 and 330,675.76 is: 456,451.09
Step by Step Solution
- Step 1: Write the proportion equation
557,030.08 : 768,901.20 = 330,675.76 : x - Step 2: Convert to fraction form
557,030.08/768,901.20 = 330,675.76/x - Step 3: Cross multiply
557,030.08x = 768,901.20 × 330,675.76 - Step 4: Simplify right side
557,030.08x = 254,256,988,674.91 - Step 5: Solve for x
x = 254,256,988,674.91/557,030.08 - Step 6: Final answer
x = 456,451.09
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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.