Finding the Fourth Proportional to 554,276.12, 764,390.94 and 363,220.12
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Solution
The fourth proportional to 554,276.12, 764,390.94 and 363,220.12 is: 500,909.49
Step by Step Solution
- Step 1: Write the proportion equation
554,276.12 : 764,390.94 = 363,220.12 : x - Step 2: Convert to fraction form
554,276.12/764,390.94 = 363,220.12/x - Step 3: Cross multiply
554,276.12x = 764,390.94 × 363,220.12 - Step 4: Simplify right side
554,276.12x = 277,642,168,953.71 - Step 5: Solve for x
x = 277,642,168,953.71/554,276.12 - Step 6: Final answer
x = 500,909.49
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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.