Finding the Fourth Proportional to 935,849.82, 1,291,473.62 and 506,129.95
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Solution
The fourth proportional to 935,849.82, 1,291,473.62 and 506,129.95 is: 698,459.80
Step by Step Solution
- Step 1: Write the proportion equation
935,849.82 : 1,291,473.62 = 506,129.95 : x - Step 2: Convert to fraction form
935,849.82/1,291,473.62 = 506,129.95/x - Step 3: Cross multiply
935,849.82x = 1,291,473.62 × 506,129.95 - Step 4: Simplify right side
935,849.82x = 653,653,479,698.60 - Step 5: Solve for x
x = 653,653,479,698.60/935,849.82 - Step 6: Final answer
x = 698,459.80
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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.