Finding the Fourth Proportional to 608,408.96, 838,726.08 and 417,119.36
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Solution
The fourth proportional to 608,408.96, 838,726.08 and 417,119.36 is: 575,022.57
Step by Step Solution
- Step 1: Write the proportion equation
608,408.96 : 838,726.08 = 417,119.36 : x - Step 2: Convert to fraction form
608,408.96/838,726.08 = 417,119.36/x - Step 3: Cross multiply
608,408.96x = 838,726.08 × 417,119.36 - Step 4: Simplify right side
608,408.96x = 349,848,885,704.91 - Step 5: Solve for x
x = 349,848,885,704.91/608,408.96 - Step 6: Final answer
x = 575,022.57
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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.