Finding the Fourth Proportional to 815,131.29, 1,124,829.14 and 452,555.06
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Solution
The fourth proportional to 815,131.29, 1,124,829.14 and 452,555.06 is: 624,497.08
Step by Step Solution
- Step 1: Write the proportion equation
815,131.29 : 1,124,829.14 = 452,555.06 : x - Step 2: Convert to fraction form
815,131.29/1,124,829.14 = 452,555.06/x - Step 3: Cross multiply
815,131.29x = 1,124,829.14 × 452,555.06 - Step 4: Simplify right side
815,131.29x = 509,047,114,449.69 - Step 5: Solve for x
x = 509,047,114,449.69/815,131.29 - Step 6: Final answer
x = 624,497.08
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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.