Finding the Fourth Proportional to 769,602.63, 1,062,053.07 and 430,070.88
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Solution
The fourth proportional to 769,602.63, 1,062,053.07 and 430,070.88 is: 593,498.62
Step by Step Solution
- Step 1: Write the proportion equation
769,602.63 : 1,062,053.07 = 430,070.88 : x - Step 2: Convert to fraction form
769,602.63/1,062,053.07 = 430,070.88/x - Step 3: Cross multiply
769,602.63x = 1,062,053.07 × 430,070.88 - Step 4: Simplify right side
769,602.63x = 456,758,098,421.60 - Step 5: Solve for x
x = 456,758,098,421.60/769,602.63 - Step 6: Final answer
x = 593,498.62
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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.