Finding the Fourth Proportional to 919,674.82, 1,379,110.06 and 463,985.70
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Solution
The fourth proportional to 919,674.82, 1,379,110.06 and 463,985.70 is: 695,775.65
Step by Step Solution
- Step 1: Write the proportion equation
919,674.82 : 1,379,110.06 = 463,985.70 : x - Step 2: Convert to fraction form
919,674.82/1,379,110.06 = 463,985.70/x - Step 3: Cross multiply
919,674.82x = 1,379,110.06 × 463,985.70 - Step 4: Simplify right side
919,674.82x = 639,887,346,566.14 - Step 5: Solve for x
x = 639,887,346,566.14/919,674.82 - Step 6: Final answer
x = 695,775.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.