Finding the Fourth Proportional to 935,720, 1,403,725.84 and 304,484.88
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Solution
The fourth proportional to 935,720, 1,403,725.84 and 304,484.88 is: 456,774.78
Step by Step Solution
- Step 1: Write the proportion equation
935,720 : 1,403,725.84 = 304,484.88 : x - Step 2: Convert to fraction form
935,720/1,403,725.84 = 304,484.88/x - Step 3: Cross multiply
935,720x = 1,403,725.84 × 304,484.88 - Step 4: Simplify right side
935,720x = 427,413,293,945.30 - Step 5: Solve for x
x = 427,413,293,945.30/935,720 - Step 6: Final answer
x = 456,774.78
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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.