Finding the Fourth Proportional to 814,950.18, 1,125,397.06 and 525,070.62
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Solution
The fourth proportional to 814,950.18, 1,125,397.06 and 525,070.62 is: 725,090.86
Step by Step Solution
- Step 1: Write the proportion equation
814,950.18 : 1,125,397.06 = 525,070.62 : x - Step 2: Convert to fraction form
814,950.18/1,125,397.06 = 525,070.62/x - Step 3: Cross multiply
814,950.18x = 1,125,397.06 × 525,070.62 - Step 4: Simplify right side
814,950.18x = 590,912,930,727.70 - Step 5: Solve for x
x = 590,912,930,727.70/814,950.18 - Step 6: Final answer
x = 725,090.86
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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.