Finding the Fourth Proportional to 742,075.44, 1,024,066.71 and 402,546.12
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Solution
The fourth proportional to 742,075.44, 1,024,066.71 and 402,546.12 is: 555,515.06
Step by Step Solution
- Step 1: Write the proportion equation
742,075.44 : 1,024,066.71 = 402,546.12 : x - Step 2: Convert to fraction form
742,075.44/1,024,066.71 = 402,546.12/x - Step 3: Cross multiply
742,075.44x = 1,024,066.71 × 402,546.12 - Step 4: Simplify right side
742,075.44x = 412,234,080,731.67 - Step 5: Solve for x
x = 412,234,080,731.67/742,075.44 - Step 6: Final answer
x = 555,515.06
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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.