Finding the Fourth Proportional to 750,127.17, 1,035,176.74 and 405,963.40
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Solution
The fourth proportional to 750,127.17, 1,035,176.74 and 405,963.40 is: 560,230.17
Step by Step Solution
- Step 1: Write the proportion equation
750,127.17 : 1,035,176.74 = 405,963.40 : x - Step 2: Convert to fraction form
750,127.17/1,035,176.74 = 405,963.40/x - Step 3: Cross multiply
750,127.17x = 1,035,176.74 × 405,963.40 - Step 4: Simplify right side
750,127.17x = 420,243,869,592.97 - Step 5: Solve for x
x = 420,243,869,592.97/750,127.17 - Step 6: Final answer
x = 560,230.17
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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.