Finding the Fourth Proportional to 655,104.08, 904,536.38 and 644,641.26
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Solution
The fourth proportional to 655,104.08, 904,536.38 and 644,641.26 is: 890,089.82
Step by Step Solution
- Step 1: Write the proportion equation
655,104.08 : 904,536.38 = 644,641.26 : x - Step 2: Convert to fraction form
655,104.08/904,536.38 = 644,641.26/x - Step 3: Cross multiply
655,104.08x = 904,536.38 × 644,641.26 - Step 4: Simplify right side
655,104.08x = 583,101,471,719.04 - Step 5: Solve for x
x = 583,101,471,719.04/655,104.08 - Step 6: Final answer
x = 890,089.82
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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.