Finding the Fourth Proportional to 761,636.24, 1,135,645.13 and 740,710.75
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Solution
The fourth proportional to 761,636.24, 1,135,645.13 and 740,710.75 is: 1,104,443.97
Step by Step Solution
- Step 1: Write the proportion equation
761,636.24 : 1,135,645.13 = 740,710.75 : x - Step 2: Convert to fraction form
761,636.24/1,135,645.13 = 740,710.75/x - Step 3: Cross multiply
761,636.24x = 1,135,645.13 × 740,710.75 - Step 4: Simplify right side
761,636.24x = 841,184,551,354.65 - Step 5: Solve for x
x = 841,184,551,354.65/761,636.24 - Step 6: Final answer
x = 1,104,443.97
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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.