Finding the Fourth Proportional to 877,966.20, 1,315,932.84 and 403,656.12
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Solution
The fourth proportional to 877,966.20, 1,315,932.84 and 403,656.12 is: 605,016.85
Step by Step Solution
- Step 1: Write the proportion equation
877,966.20 : 1,315,932.84 = 403,656.12 : x - Step 2: Convert to fraction form
877,966.20/1,315,932.84 = 403,656.12/x - Step 3: Cross multiply
877,966.20x = 1,315,932.84 × 403,656.12 - Step 4: Simplify right side
877,966.20x = 531,184,344,374.98 - Step 5: Solve for x
x = 531,184,344,374.98/877,966.20 - Step 6: Final answer
x = 605,016.85
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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.