Finding the Fourth Proportional to 556,202.79, 767,560.73 and 301,554.63
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Solution
The fourth proportional to 556,202.79, 767,560.73 and 301,554.63 is: 416,145.86
Step by Step Solution
- Step 1: Write the proportion equation
556,202.79 : 767,560.73 = 301,554.63 : x - Step 2: Convert to fraction form
556,202.79/767,560.73 = 301,554.63/x - Step 3: Cross multiply
556,202.79x = 767,560.73 × 301,554.63 - Step 4: Simplify right side
556,202.79x = 231,461,490,429.91 - Step 5: Solve for x
x = 231,461,490,429.91/556,202.79 - Step 6: Final answer
x = 416,145.86
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1.5x scale
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.