Finding the Fourth Proportional to 779,860.35, 1,076,168.75 and 435,627.99
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Solution
The fourth proportional to 779,860.35, 1,076,168.75 and 435,627.99 is: 601,145.10
Step by Step Solution
- Step 1: Write the proportion equation
779,860.35 : 1,076,168.75 = 435,627.99 : x - Step 2: Convert to fraction form
779,860.35/1,076,168.75 = 435,627.99/x - Step 3: Cross multiply
779,860.35x = 1,076,168.75 × 435,627.99 - Step 4: Simplify right side
779,860.35x = 468,809,227,285.17 - Step 5: Solve for x
x = 468,809,227,285.17/779,860.35 - Step 6: Final answer
x = 601,145.10
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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.