Finding the Fourth Proportional to 890,334.02, 1,227,983.08 and 766,366.08
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Solution
The fourth proportional to 890,334.02, 1,227,983.08 and 766,366.08 is: 1,057,001.71
Step by Step Solution
- Step 1: Write the proportion equation
890,334.02 : 1,227,983.08 = 766,366.08 : x - Step 2: Convert to fraction form
890,334.02/1,227,983.08 = 766,366.08/x - Step 3: Cross multiply
890,334.02x = 1,227,983.08 × 766,366.08 - Step 4: Simplify right side
890,334.02x = 941,084,579,325.93 - Step 5: Solve for x
x = 941,084,579,325.93/890,334.02 - Step 6: Final answer
x = 1,057,001.71
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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.