Finding the Fourth Proportional to 754,129.67, 1,129,679.93 and 348,753.68
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Solution
The fourth proportional to 754,129.67, 1,129,679.93 and 348,753.68 is: 522,430.08
Step by Step Solution
- Step 1: Write the proportion equation
754,129.67 : 1,129,679.93 = 348,753.68 : x - Step 2: Convert to fraction form
754,129.67/1,129,679.93 = 348,753.68/x - Step 3: Cross multiply
754,129.67x = 1,129,679.93 × 348,753.68 - Step 4: Simplify right side
754,129.67x = 393,980,028,033.13 - Step 5: Solve for x
x = 393,980,028,033.13/754,129.67 - Step 6: Final answer
x = 522,430.08
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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.