Finding the Fourth Proportional to 555,054.08, 765,905.28 and 313,306.88
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Solution
The fourth proportional to 555,054.08, 765,905.28 and 313,306.88 is: 432,324.35
Step by Step Solution
- Step 1: Write the proportion equation
555,054.08 : 765,905.28 = 313,306.88 : x - Step 2: Convert to fraction form
555,054.08/765,905.28 = 313,306.88/x - Step 3: Cross multiply
555,054.08x = 765,905.28 × 313,306.88 - Step 4: Simplify right side
555,054.08x = 239,963,393,652.33 - Step 5: Solve for x
x = 239,963,393,652.33/555,054.08 - Step 6: Final answer
x = 432,324.35
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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.