Finding the Fourth Proportional to 748,206.72, 1,122,054.93 and 215,584.74
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Solution
The fourth proportional to 748,206.72, 1,122,054.93 and 215,584.74 is: 323,303.59
Step by Step Solution
- Step 1: Write the proportion equation
748,206.72 : 1,122,054.93 = 215,584.74 : x - Step 2: Convert to fraction form
748,206.72/1,122,054.93 = 215,584.74/x - Step 3: Cross multiply
748,206.72x = 1,122,054.93 × 215,584.74 - Step 4: Simplify right side
748,206.72x = 241,897,920,349.77 - Step 5: Solve for x
x = 241,897,920,349.77/748,206.72 - Step 6: Final answer
x = 323,303.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.