Finding the Fourth Proportional to 509,125.76, 704,115.88 and 445,352.80
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Solution
The fourth proportional to 509,125.76, 704,115.88 and 445,352.80 is: 615,918.51
Step by Step Solution
- Step 1: Write the proportion equation
509,125.76 : 704,115.88 = 445,352.80 : x - Step 2: Convert to fraction form
509,125.76/704,115.88 = 445,352.80/x - Step 3: Cross multiply
509,125.76x = 704,115.88 × 445,352.80 - Step 4: Simplify right side
509,125.76x = 313,579,978,682.46 - Step 5: Solve for x
x = 313,579,978,682.46/509,125.76 - Step 6: Final answer
x = 615,918.51
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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.