Finding the Fourth Proportional to 767,389.60, 1,058,997.68 and 427,857.92
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Solution
The fourth proportional to 767,389.60, 1,058,997.68 and 427,857.92 is: 590,443.95
Step by Step Solution
- Step 1: Write the proportion equation
767,389.60 : 1,058,997.68 = 427,857.92 : x - Step 2: Convert to fraction form
767,389.60/1,058,997.68 = 427,857.92/x - Step 3: Cross multiply
767,389.60x = 1,058,997.68 × 427,857.92 - Step 4: Simplify right side
767,389.60x = 453,100,544,649.63 - Step 5: Solve for x
x = 453,100,544,649.63/767,389.60 - Step 6: Final answer
x = 590,443.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.