Finding the Fourth Proportional to 528,481.13, 792,721.30 and 303,698.19
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Solution
The fourth proportional to 528,481.13, 792,721.30 and 303,698.19 is: 455,547.07
Step by Step Solution
- Step 1: Write the proportion equation
528,481.13 : 792,721.30 = 303,698.19 : x - Step 2: Convert to fraction form
528,481.13/792,721.30 = 303,698.19/x - Step 3: Cross multiply
528,481.13x = 792,721.30 × 303,698.19 - Step 4: Simplify right side
528,481.13x = 240,748,026,767.34 - Step 5: Solve for x
x = 240,748,026,767.34/528,481.13 - Step 6: Final answer
x = 455,547.07
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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.