Finding the Fourth Proportional to 928,344.34, 1,280,812.15 and 541,070.99
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Solution
The fourth proportional to 928,344.34, 1,280,812.15 and 541,070.99 is: 746,501.34
Step by Step Solution
- Step 1: Write the proportion equation
928,344.34 : 1,280,812.15 = 541,070.99 : x - Step 2: Convert to fraction form
928,344.34/1,280,812.15 = 541,070.99/x - Step 3: Cross multiply
928,344.34x = 1,280,812.15 × 541,070.99 - Step 4: Simplify right side
928,344.34x = 693,010,294,036.33 - Step 5: Solve for x
x = 693,010,294,036.33/928,344.34 - Step 6: Final answer
x = 746,501.34
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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.