Finding the Fourth Proportional to 671,998.80, 927,357.93 and 370,192.80
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Solution
The fourth proportional to 671,998.80, 927,357.93 and 370,192.80 is: 510,865.84
Step by Step Solution
- Step 1: Write the proportion equation
671,998.80 : 927,357.93 = 370,192.80 : x - Step 2: Convert to fraction form
671,998.80/927,357.93 = 370,192.80/x - Step 3: Cross multiply
671,998.80x = 927,357.93 × 370,192.80 - Step 4: Simplify right side
671,998.80x = 343,301,228,708.90 - Step 5: Solve for x
x = 343,301,228,708.90/671,998.80 - Step 6: Final answer
x = 510,865.84
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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.