Finding the Fourth Proportional to 563,707.08, 777,921.84 and 322,021.80
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Solution
The fourth proportional to 563,707.08, 777,921.84 and 322,021.80 is: 444,393.55
Step by Step Solution
- Step 1: Write the proportion equation
563,707.08 : 777,921.84 = 322,021.80 : x - Step 2: Convert to fraction form
563,707.08/777,921.84 = 322,021.80/x - Step 3: Cross multiply
563,707.08x = 777,921.84 × 322,021.80 - Step 4: Simplify right side
563,707.08x = 250,507,791,176.11 - Step 5: Solve for x
x = 250,507,791,176.11/563,707.08 - Step 6: Final answer
x = 444,393.55
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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.