Finding the Fourth Proportional to 761,296.36, 1,050,547.62 and 421,744.36
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Solution
The fourth proportional to 761,296.36, 1,050,547.62 and 421,744.36 is: 581,984.31
Step by Step Solution
- Step 1: Write the proportion equation
761,296.36 : 1,050,547.62 = 421,744.36 : x - Step 2: Convert to fraction form
761,296.36/1,050,547.62 = 421,744.36/x - Step 3: Cross multiply
761,296.36x = 1,050,547.62 × 421,744.36 - Step 4: Simplify right side
761,296.36x = 443,062,533,646.42 - Step 5: Solve for x
x = 443,062,533,646.42/761,296.36 - Step 6: Final answer
x = 581,984.31
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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.