Finding the Fourth Proportional to 761,642.97, 1,135,655.17 and 740,717.48
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Solution
The fourth proportional to 761,642.97, 1,135,655.17 and 740,717.48 is: 1,104,454.01
Step by Step Solution
- Step 1: Write the proportion equation
761,642.97 : 1,135,655.17 = 740,717.48 : x - Step 2: Convert to fraction form
761,642.97/1,135,655.17 = 740,717.48/x - Step 3: Cross multiply
761,642.97x = 1,135,655.17 × 740,717.48 - Step 4: Simplify right side
761,642.97x = 841,199,631,967.78 - Step 5: Solve for x
x = 841,199,631,967.78/761,642.97 - Step 6: Final answer
x = 1,104,454.01
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.