Finding the Fourth Proportional to 742,997.98, 1,025,328.18 and 403,468.66
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Solution
The fourth proportional to 742,997.98, 1,025,328.18 and 403,468.66 is: 556,781.85
Step by Step Solution
- Step 1: Write the proportion equation
742,997.98 : 1,025,328.18 = 403,468.66 : x - Step 2: Convert to fraction form
742,997.98/1,025,328.18 = 403,468.66/x - Step 3: Cross multiply
742,997.98x = 1,025,328.18 × 403,468.66 - Step 4: Simplify right side
742,997.98x = 413,687,786,844.84 - Step 5: Solve for x
x = 413,687,786,844.84/742,997.98 - Step 6: Final answer
x = 556,781.85
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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.