Finding the Fourth Proportional to 901,156.16, 1,243,872.48 and 519,438.08
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Solution
The fourth proportional to 901,156.16, 1,243,872.48 and 519,438.08 is: 716,984.20
Step by Step Solution
- Step 1: Write the proportion equation
901,156.16 : 1,243,872.48 = 519,438.08 : x - Step 2: Convert to fraction form
901,156.16/1,243,872.48 = 519,438.08/x - Step 3: Cross multiply
901,156.16x = 1,243,872.48 × 519,438.08 - Step 4: Simplify right side
901,156.16x = 646,114,732,776.04 - Step 5: Solve for x
x = 646,114,732,776.04/901,156.16 - Step 6: Final answer
x = 716,984.20
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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.